Quick view Details AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk MSRP: Now: $3.24 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk MSRP: Now: $51.82 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam MSRP: Now: $19.64 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree MSRP: Now: $3.24 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree MSRP: Now: $16.19 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam MSRP: Now: $16.68 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set MSRP: Now: $43.18 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF MSRP: Now: $11.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover MSRP: Now: $37.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 MSRP: Now: $37.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL MSRP: Now: $172.74 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt MSRP: Now: $455.60 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt MSRP: Now: $481.51 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk MSRP: Now: $37.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race MSRP: Now: $21.59 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street MSRP: Now: $17.27 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD MSRP: Now: $11.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide MSRP: Now: $15.55 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake MSRP: Now: $9.72 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve MSRP: Now: $25.91 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb MSRP: Now: $588.39 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange MSRP: Now: $593.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve MSRP: Now: $24.83 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 MSRP: Now: $23.00 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P MSRP: Now: $2,888.97 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P MSRP: Now: $2,638.77 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P MSRP: Now: $3,670.57 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. MSRP: Now: $3,749.92 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled MSRP: Now: $863.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk MSRP: Now: $51.82 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam MSRP: Now: $19.64 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree MSRP: Now: $3.24 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree MSRP: Now: $16.19 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam MSRP: Now: $16.68 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set MSRP: Now: $43.18 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF MSRP: Now: $11.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover MSRP: Now: $37.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 MSRP: Now: $37.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL MSRP: Now: $172.74 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt MSRP: Now: $455.60 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt MSRP: Now: $481.51 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk MSRP: Now: $37.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race MSRP: Now: $21.59 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street MSRP: Now: $17.27 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD MSRP: Now: $11.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide MSRP: Now: $15.55 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake MSRP: Now: $9.72 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve MSRP: Now: $25.91 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb MSRP: Now: $588.39 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange MSRP: Now: $593.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve MSRP: Now: $24.83 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 MSRP: Now: $23.00 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P MSRP: Now: $2,888.97 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P MSRP: Now: $2,638.77 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P MSRP: Now: $3,670.57 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. MSRP: Now: $3,749.92 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled MSRP: Now: $863.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam MSRP: Now: $19.64 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree MSRP: Now: $3.24 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree MSRP: Now: $16.19 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam MSRP: Now: $16.68 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set MSRP: Now: $43.18 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF MSRP: Now: $11.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover MSRP: Now: $37.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 MSRP: Now: $37.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL MSRP: Now: $172.74 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt MSRP: Now: $455.60 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt MSRP: Now: $481.51 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk MSRP: Now: $37.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race MSRP: Now: $21.59 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street MSRP: Now: $17.27 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD MSRP: Now: $11.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide MSRP: Now: $15.55 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake MSRP: Now: $9.72 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve MSRP: Now: $25.91 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb MSRP: Now: $588.39 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange MSRP: Now: $593.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve MSRP: Now: $24.83 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 MSRP: Now: $23.00 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P MSRP: Now: $2,888.97 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P MSRP: Now: $2,638.77 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P MSRP: Now: $3,670.57 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. MSRP: Now: $3,749.92 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled MSRP: Now: $863.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree MSRP: Now: $3.24 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree MSRP: Now: $16.19 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam MSRP: Now: $16.68 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set MSRP: Now: $43.18 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF MSRP: Now: $11.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover MSRP: Now: $37.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 MSRP: Now: $37.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL MSRP: Now: $172.74 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt MSRP: Now: $455.60 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt MSRP: Now: $481.51 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk MSRP: Now: $37.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race MSRP: Now: $21.59 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street MSRP: Now: $17.27 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD MSRP: Now: $11.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide MSRP: Now: $15.55 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake MSRP: Now: $9.72 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve MSRP: Now: $25.91 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb MSRP: Now: $588.39 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange MSRP: Now: $593.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve MSRP: Now: $24.83 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 MSRP: Now: $23.00 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P MSRP: Now: $2,888.97 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P MSRP: Now: $2,638.77 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P MSRP: Now: $3,670.57 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. MSRP: Now: $3,749.92 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled MSRP: Now: $863.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree MSRP: Now: $16.19 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam MSRP: Now: $16.68 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set MSRP: Now: $43.18 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF MSRP: Now: $11.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover MSRP: Now: $37.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 MSRP: Now: $37.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL MSRP: Now: $172.74 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt MSRP: Now: $455.60 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt MSRP: Now: $481.51 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk MSRP: Now: $37.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race MSRP: Now: $21.59 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street MSRP: Now: $17.27 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD MSRP: Now: $11.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide MSRP: Now: $15.55 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake MSRP: Now: $9.72 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve MSRP: Now: $25.91 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb MSRP: Now: $588.39 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange MSRP: Now: $593.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve MSRP: Now: $24.83 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 MSRP: Now: $23.00 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P MSRP: Now: $2,888.97 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P MSRP: Now: $2,638.77 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P MSRP: Now: $3,670.57 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. MSRP: Now: $3,749.92 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled MSRP: Now: $863.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam MSRP: Now: $16.68 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set MSRP: Now: $43.18 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF MSRP: Now: $11.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover MSRP: Now: $37.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 MSRP: Now: $37.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL MSRP: Now: $172.74 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt MSRP: Now: $455.60 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt MSRP: Now: $481.51 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk MSRP: Now: $37.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race MSRP: Now: $21.59 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street MSRP: Now: $17.27 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD MSRP: Now: $11.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide MSRP: Now: $15.55 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake MSRP: Now: $9.72 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve MSRP: Now: $25.91 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb MSRP: Now: $588.39 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange MSRP: Now: $593.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve MSRP: Now: $24.83 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 MSRP: Now: $23.00 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P MSRP: Now: $2,888.97 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P MSRP: Now: $2,638.77 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P MSRP: Now: $3,670.57 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. MSRP: Now: $3,749.92 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled MSRP: Now: $863.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set MSRP: Now: $43.18 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF MSRP: Now: $11.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover MSRP: Now: $37.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 MSRP: Now: $37.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL MSRP: Now: $172.74 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt MSRP: Now: $455.60 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt MSRP: Now: $481.51 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk MSRP: Now: $37.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race MSRP: Now: $21.59 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street MSRP: Now: $17.27 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD MSRP: Now: $11.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide MSRP: Now: $15.55 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake MSRP: Now: $9.72 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve MSRP: Now: $25.91 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb MSRP: Now: $588.39 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange MSRP: Now: $593.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve MSRP: Now: $24.83 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 MSRP: Now: $23.00 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P MSRP: Now: $2,888.97 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P MSRP: Now: $2,638.77 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P MSRP: Now: $3,670.57 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. MSRP: Now: $3,749.92 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled MSRP: Now: $863.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF MSRP: Now: $11.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover MSRP: Now: $37.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 MSRP: Now: $37.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL MSRP: Now: $172.74 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt MSRP: Now: $455.60 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt MSRP: Now: $481.51 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk MSRP: Now: $37.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race MSRP: Now: $21.59 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street MSRP: Now: $17.27 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD MSRP: Now: $11.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide MSRP: Now: $15.55 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake MSRP: Now: $9.72 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve MSRP: Now: $25.91 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb MSRP: Now: $588.39 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange MSRP: Now: $593.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve MSRP: Now: $24.83 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 MSRP: Now: $23.00 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P MSRP: Now: $2,888.97 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P MSRP: Now: $2,638.77 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P MSRP: Now: $3,670.57 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. MSRP: Now: $3,749.92 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled MSRP: Now: $863.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover MSRP: Now: $37.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 MSRP: Now: $37.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL MSRP: Now: $172.74 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt MSRP: Now: $455.60 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt MSRP: Now: $481.51 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk MSRP: Now: $37.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race MSRP: Now: $21.59 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street MSRP: Now: $17.27 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD MSRP: Now: $11.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide MSRP: Now: $15.55 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake MSRP: Now: $9.72 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve MSRP: Now: $25.91 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb MSRP: Now: $588.39 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange MSRP: Now: $593.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve MSRP: Now: $24.83 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 MSRP: Now: $23.00 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P MSRP: Now: $2,888.97 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P MSRP: Now: $2,638.77 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P MSRP: Now: $3,670.57 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. MSRP: Now: $3,749.92 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled MSRP: Now: $863.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 MSRP: Now: $37.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL MSRP: Now: $172.74 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt MSRP: Now: $455.60 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt MSRP: Now: $481.51 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk MSRP: Now: $37.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race MSRP: Now: $21.59 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street MSRP: Now: $17.27 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD MSRP: Now: $11.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide MSRP: Now: $15.55 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake MSRP: Now: $9.72 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve MSRP: Now: $25.91 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb MSRP: Now: $588.39 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange MSRP: Now: $593.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve MSRP: Now: $24.83 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 MSRP: Now: $23.00 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P MSRP: Now: $2,888.97 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P MSRP: Now: $2,638.77 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P MSRP: Now: $3,670.57 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. MSRP: Now: $3,749.92 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled MSRP: Now: $863.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL MSRP: Now: $172.74 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt MSRP: Now: $455.60 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt MSRP: Now: $481.51 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk MSRP: Now: $37.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race MSRP: Now: $21.59 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street MSRP: Now: $17.27 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD MSRP: Now: $11.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide MSRP: Now: $15.55 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake MSRP: Now: $9.72 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve MSRP: Now: $25.91 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb MSRP: Now: $588.39 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange MSRP: Now: $593.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve MSRP: Now: $24.83 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 MSRP: Now: $23.00 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P MSRP: Now: $2,888.97 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P MSRP: Now: $2,638.77 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P MSRP: Now: $3,670.57 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. MSRP: Now: $3,749.92 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled MSRP: Now: $863.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt MSRP: Now: $455.60 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt MSRP: Now: $481.51 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk MSRP: Now: $37.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race MSRP: Now: $21.59 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street MSRP: Now: $17.27 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD MSRP: Now: $11.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide MSRP: Now: $15.55 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake MSRP: Now: $9.72 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve MSRP: Now: $25.91 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb MSRP: Now: $588.39 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange MSRP: Now: $593.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve MSRP: Now: $24.83 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 MSRP: Now: $23.00 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P MSRP: Now: $2,888.97 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P MSRP: Now: $2,638.77 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P MSRP: Now: $3,670.57 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. MSRP: Now: $3,749.92 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled MSRP: Now: $863.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt MSRP: Now: $481.51 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk MSRP: Now: $37.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race MSRP: Now: $21.59 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street MSRP: Now: $17.27 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD MSRP: Now: $11.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide MSRP: Now: $15.55 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake MSRP: Now: $9.72 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve MSRP: Now: $25.91 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb MSRP: Now: $588.39 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange MSRP: Now: $593.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve MSRP: Now: $24.83 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 MSRP: Now: $23.00 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P MSRP: Now: $2,888.97 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P MSRP: Now: $2,638.77 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P MSRP: Now: $3,670.57 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. MSRP: Now: $3,749.92 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled MSRP: Now: $863.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk MSRP: Now: $37.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race MSRP: Now: $21.59 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street MSRP: Now: $17.27 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD MSRP: Now: $11.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide MSRP: Now: $15.55 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake MSRP: Now: $9.72 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve MSRP: Now: $25.91 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb MSRP: Now: $588.39 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange MSRP: Now: $593.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve MSRP: Now: $24.83 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 MSRP: Now: $23.00 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P MSRP: Now: $2,888.97 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P MSRP: Now: $2,638.77 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P MSRP: Now: $3,670.57 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. MSRP: Now: $3,749.92 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled MSRP: Now: $863.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race MSRP: Now: $21.59 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street MSRP: Now: $17.27 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD MSRP: Now: $11.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide MSRP: Now: $15.55 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake MSRP: Now: $9.72 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve MSRP: Now: $25.91 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb MSRP: Now: $588.39 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange MSRP: Now: $593.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve MSRP: Now: $24.83 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 MSRP: Now: $23.00 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P MSRP: Now: $2,888.97 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P MSRP: Now: $2,638.77 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P MSRP: Now: $3,670.57 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. MSRP: Now: $3,749.92 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled MSRP: Now: $863.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street MSRP: Now: $17.27 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD MSRP: Now: $11.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide MSRP: Now: $15.55 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake MSRP: Now: $9.72 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve MSRP: Now: $25.91 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb MSRP: Now: $588.39 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange MSRP: Now: $593.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve MSRP: Now: $24.83 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 MSRP: Now: $23.00 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P MSRP: Now: $2,888.97 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P MSRP: Now: $2,638.77 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P MSRP: Now: $3,670.57 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. MSRP: Now: $3,749.92 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled MSRP: Now: $863.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD MSRP: Now: $11.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide MSRP: Now: $15.55 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake MSRP: Now: $9.72 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve MSRP: Now: $25.91 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb MSRP: Now: $588.39 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange MSRP: Now: $593.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve MSRP: Now: $24.83 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 MSRP: Now: $23.00 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P MSRP: Now: $2,888.97 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P MSRP: Now: $2,638.77 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P MSRP: Now: $3,670.57 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. MSRP: Now: $3,749.92 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled MSRP: Now: $863.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide MSRP: Now: $15.55 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake MSRP: Now: $9.72 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve MSRP: Now: $25.91 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb MSRP: Now: $588.39 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange MSRP: Now: $593.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve MSRP: Now: $24.83 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 MSRP: Now: $23.00 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P MSRP: Now: $2,888.97 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P MSRP: Now: $2,638.77 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P MSRP: Now: $3,670.57 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. MSRP: Now: $3,749.92 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled MSRP: Now: $863.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake MSRP: Now: $9.72 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve MSRP: Now: $25.91 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb MSRP: Now: $588.39 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange MSRP: Now: $593.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve MSRP: Now: $24.83 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 MSRP: Now: $23.00 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P MSRP: Now: $2,888.97 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P MSRP: Now: $2,638.77 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P MSRP: Now: $3,670.57 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. MSRP: Now: $3,749.92 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled MSRP: Now: $863.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve MSRP: Now: $25.91 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb MSRP: Now: $588.39 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange MSRP: Now: $593.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve MSRP: Now: $24.83 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 MSRP: Now: $23.00 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P MSRP: Now: $2,888.97 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P MSRP: Now: $2,638.77 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P MSRP: Now: $3,670.57 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. MSRP: Now: $3,749.92 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled MSRP: Now: $863.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 MSRP: Now: $63.70 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve MSRP: Now: $25.91 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb MSRP: Now: $588.39 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange MSRP: Now: $593.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve MSRP: Now: $24.83 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 MSRP: Now: $23.00 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P MSRP: Now: $2,888.97 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P MSRP: Now: $2,638.77 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P MSRP: Now: $3,670.57 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. MSRP: Now: $3,749.92 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled MSRP: Now: $863.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve MSRP: Now: $25.91 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb MSRP: Now: $588.39 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange MSRP: Now: $593.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve MSRP: Now: $24.83 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 MSRP: Now: $23.00 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P MSRP: Now: $2,888.97 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P MSRP: Now: $2,638.77 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P MSRP: Now: $3,670.57 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. MSRP: Now: $3,749.92 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled MSRP: Now: $863.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb MSRP: Now: $588.39 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange MSRP: Now: $593.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve MSRP: Now: $24.83 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 MSRP: Now: $23.00 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P MSRP: Now: $2,888.97 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P MSRP: Now: $2,638.77 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P MSRP: Now: $3,670.57 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. MSRP: Now: $3,749.92 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled MSRP: Now: $863.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange MSRP: Now: $593.79 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve MSRP: Now: $24.83 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 MSRP: Now: $23.00 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P MSRP: Now: $2,888.97 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P MSRP: Now: $2,638.77 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P MSRP: Now: $3,670.57 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. MSRP: Now: $3,749.92 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled MSRP: Now: $863.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve MSRP: Now: $24.83 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 MSRP: Now: $23.00 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P MSRP: Now: $2,888.97 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P MSRP: Now: $2,638.77 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P MSRP: Now: $3,670.57 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. MSRP: Now: $3,749.92 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled MSRP: Now: $863.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 MSRP: Now: $23.00 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P MSRP: Now: $2,888.97 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P MSRP: Now: $2,638.77 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P MSRP: Now: $3,670.57 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. MSRP: Now: $3,749.92 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled MSRP: Now: $863.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P MSRP: Now: $2,888.97 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P MSRP: Now: $2,638.77 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P MSRP: Now: $3,670.57 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. MSRP: Now: $3,749.92 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled MSRP: Now: $863.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P MSRP: Now: $2,638.77 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P MSRP: Now: $3,670.57 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. MSRP: Now: $3,749.92 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled MSRP: Now: $863.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P MSRP: Now: $3,670.57 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. MSRP: Now: $3,749.92 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled MSRP: Now: $863.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. MSRP: Now: $3,749.92 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled MSRP: Now: $863.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled MSRP: Now: $863.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled MSRP: Now: $863.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled MSRP: Now: $863.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled MSRP: Now: $863.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled MSRP: Now: $863.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled MSRP: Now: $863.88 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled MSRP: Now: $4,483.58 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled MSRP: Now: $3,409.84 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled MSRP: Now: $3,677.07 Add to Cart Compare Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view Details AIR FLOW RESEARCH | sku: AFR2010-TI BBC 357cc CNC Alum Heads Magnum 121cc Assembled MSRP: Now: $4,707.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR8514-1 1.245 7-Deg Valve Spring Retainer 1pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR8514-16 1.245 7-Deg Valve Spring Retainers 16pk Valve Spring Retainer - 7 Degree - 1.245 in Spring - Steel - Black Oxide - Set of 16 MSRP: Now: $51.82 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR8019-1 1.270 Valve Spring Hydraulic Roller Cam Valve Spring - Dual Spring - 450 lb/in Spring Rate - 1.080 in Coil Bind - 1.270 in OD - AFR Cylinder Heads Replacement - Each MSRP: Now: $19.64 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR8511-1 1.500 Steel Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.120 in / 0.705 om OD Steps - 1.550 in Dual Spring - Steel - Each MSRP: Now: $3.24 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR8505-1 1.500 Titanium Retainer 10-Degree Valve Spring Retainer - 10 Degree - 1.500 in OD - Dual Spring - Titanium - Each MSRP: Now: $16.19 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR8000-1 1.550 OD Valve Spring Solid Roller Cam Valve Spring - Dual Spring - 540 lb/in Spring Rate - 1.155 in Coil Bind - 1.550 in OD - Each MSRP: Now: $16.68 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR9005-16 10 Deg Valve Locks 11/32 Set Valve Lock - 10 Degree - 11/32 in Valve Stem - Standard Height - Steel - Natural - Set of 32 MSRP: Now: $43.18 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR9056 11/32 Bronze Guide .505 OD SBC/SBF Valve Guide - 11/32 in Valve - 2.000 in Long - 0.505 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR4450 1in Phenolic 4150 Carb Spacer Open Clover Carburetor Spacer - Lightweight - 1 in Thick - Open - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR4460 1in Phenolic 4150 Carb Spacer Tapered 4 Carburetor Spacer - Lightweight - 1 in Thick - 4 Hole - Square Bore - Plastic - Black - Each MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR7256-8 2.100 Intake Valves 8pk 8mm x 5.000 OAL Intake Valve - Race - 2.100 in Head - 8 mm Stem - 5.080 in Long - Stainless - Small Block Chevy / Ford - Set of 8 MSRP: Now: $172.74 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR4992 4150 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Square Bore - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $455.60 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR4993 4500 Single Plane Intake Manifold BBF Bullitt Intake Manifold - Bullitt - Dominator Flange - Single Plane - Aluminum - Natural - Big Block Ford - Each MSRP: Now: $481.51 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR6103-8 5/16 Adj. Guideplates SBC/SBF 8pk Pushrod Guide Plate - 5/16 in Pushrod - Flat - Steel - Black Oxide - Small Block Chevy / Ford - Set of 8 MSRP: Now: $37.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR7254-1 8mm 1.600 Exhaust Valve SBC/SBF Race Exhaust Valve - Race - 1.600 in Head - 8 mm Stem - 5.030 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $21.59 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR7251-1 8mm 2.020 Intake Valve SBC/SBF Street Intake Valve - Street - 2.020 in Head - 8 mm Stem - 4.900 in Long - Stainless - Small Block Chevy / Ford - Each MSRP: Now: $17.27 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR9051-1 8mm Bronze Guide .502in OD Valve Guide - 8 mm Valve - 2.100 in Long - 0.502 in OD - Bronze - Each MSRP: Now: $11.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR6612-16 8mm Valve Stem Seals - Viton .530 Guide Valve Stem Seal - Positive Stop - 8 mm Valve Stem - 0.530 in Guide - Viton - AFR LS1 Cylinder Heads - Set of 16 MSRP: Now: $15.55 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR6215-1 Adjusting Nut 1pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Each MSRP: Now: $9.72 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR6215-8 Adjusting Nut 8pk 7/16 x 2.600 BBC Intake Rocker Arm Nut - 7/16-20 in Thread - 2.600 in Length - Steel - Black Oxide - Stud Girdle - Big Block Chevy - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR6214-8 Adjusting Nuts - 8pk 7/16 x 2.100 Rocker Arm Nut - 7/16-20 in Thread - 2.100 in Length - Steel - Black Oxide - Stud Girdle - Chevy / Ford V8 - Set of 8 MSRP: Now: $63.70 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR7631-1 BBC 1.880 Exhaust Valve Exhaust Valve - High Performance - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $25.91 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR4902 BBC 18-Deg Alm Intake e Manifold for 4500 Carb Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Standard Deck - Big Block Chevy - Each MSRP: Now: $588.39 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR4901 BBC 18-Deg Alm Intake Manifold w/4500 Flange Intake Manifold - Dominator Flange - Single Plane - Rectangle Port - Aluminum - Natural - 18 Degree Head - Tall Deck - Big Block Chevy - Each MSRP: Now: $593.79 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR7626-1 BBC 2.300 Intake Valve Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $24.83 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR7626 BBC 2.300 Intake Valve Discontinued 3/21 Intake Valve - High Performance - 2.300 in Head - 11/32 in Valve Stem - 5.500 in Long - Stainless - Big Block Chevy - Each MSRP: Now: $23.00 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR3610-1 BBC 265cc CNC Alum Heads Magnum O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,888.97 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR3610 BBC 265cc CNC Alum Heads Magnum 109cc O/P Cylinder Head - Magnum Street - Assembled - 2.190 / 1.880 in Valves - 265 cc Intake - 109 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $2,638.77 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR3640 BBC 290cc CNC Alum Heads Magnum 112cc O/P Cylinder Head - Magnum Street - Assembled - 2.250 / 1.880 in Valves - 290 cc Intake - 112 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,670.57 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR3670 BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem. Cylinder Head - BBC Magnum - Assembled - 2.055 / 1.840 in Valves - 300 cc Intake - 112 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,749.92 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR2100 BBC 305cc Alm Cylinder Heads (Pair) Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR2100-1 BBC 305cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 305 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR2000 BBC 315cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.250 / 1.880 in Valves - 315 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR2101 BBC 325cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR2101-1 BBC 325cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 325 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR3001 BBC 325cc Enforcer Cyl. Head 122cc Assembled Cylinder Head - Enforcer - Assembled - 2.250 / 1.880 in Valves - 325 cc Intake - 122 cc Chamber - 1.550 in Springs - Aluminum - Big Block Chevy - Each MSRP: Now: $863.88 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR2001 BBC 335cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 335 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $4,483.58 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR2110 BBC 345cc Alum Heads Magnum 117cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 117 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,409.84 Add to Cart Compare Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |
Quick view AIR FLOW RESEARCH | sku: AFR2110-1 BBC 345cc Alum Heads Magnum 121cc Assembled Cylinder Head - Magnum Comp - Assembled - 2.300 / 1.880 in Valves - 345 cc Intake - 121 cc Chamber - 1.625 in Springs - Aluminum - Big Block Chevy - Pair MSRP: Now: $3,677.07 Add to Cart Compare Quick view AIR FLOW RESEARCH |