Quick view Details HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck MSRP: Now: $223.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length MSRP: Now: $43.49 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-426 Can Extension Harness 12ft MSRP: Now: $65.26 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length MSRP: Now: $54.37 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 MSRP: Now: $219.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O MSRP: Now: $43.49 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 MSRP: Now: $33.20 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-406 Drive By Wire Harness GM MSRP: Now: $205.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E MSRP: Now: $251.06 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-404 J4 Connector & Harness MSRP: Now: $186.26 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-403 J3 Connector & Harness MSRP: Now: $145.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit MSRP: Now: $145.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector MSRP: Now: $189.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector MSRP: Now: $99.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire MSRP: Now: $223.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines MSRP: Now: $184.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil MSRP: Now: $217.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-308 EFI Main Power Harness MSRP: Now: $81.68 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated MSRP: Now: $159.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness MSRP: Now: $104.36 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-304 HEI Ignition Harness MSRP: Now: $48.92 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup MSRP: Now: $79.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors MSRP: Now: $163.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector MSRP: Now: $155.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated MSRP: Now: $251.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated MSRP: Now: $187.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV MSRP: Now: $135.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness MSRP: Now: $191.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-126 Flying Lead Main Harness MSRP: Now: $351.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness MSRP: Now: $536.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness MSRP: Now: $506.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil MSRP: Now: $679.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length MSRP: Now: $43.49 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-426 Can Extension Harness 12ft MSRP: Now: $65.26 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length MSRP: Now: $54.37 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 MSRP: Now: $219.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O MSRP: Now: $43.49 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 MSRP: Now: $33.20 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-406 Drive By Wire Harness GM MSRP: Now: $205.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E MSRP: Now: $251.06 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-404 J4 Connector & Harness MSRP: Now: $186.26 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-403 J3 Connector & Harness MSRP: Now: $145.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit MSRP: Now: $145.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector MSRP: Now: $189.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector MSRP: Now: $99.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire MSRP: Now: $223.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines MSRP: Now: $184.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil MSRP: Now: $217.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-308 EFI Main Power Harness MSRP: Now: $81.68 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated MSRP: Now: $159.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness MSRP: Now: $104.36 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-304 HEI Ignition Harness MSRP: Now: $48.92 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup MSRP: Now: $79.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors MSRP: Now: $163.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector MSRP: Now: $155.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated MSRP: Now: $251.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated MSRP: Now: $187.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV MSRP: Now: $135.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness MSRP: Now: $191.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-126 Flying Lead Main Harness MSRP: Now: $351.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness MSRP: Now: $536.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness MSRP: Now: $506.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil MSRP: Now: $679.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-426 Can Extension Harness 12ft MSRP: Now: $65.26 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length MSRP: Now: $54.37 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 MSRP: Now: $219.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O MSRP: Now: $43.49 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 MSRP: Now: $33.20 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-406 Drive By Wire Harness GM MSRP: Now: $205.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E MSRP: Now: $251.06 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-404 J4 Connector & Harness MSRP: Now: $186.26 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-403 J3 Connector & Harness MSRP: Now: $145.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit MSRP: Now: $145.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector MSRP: Now: $189.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector MSRP: Now: $99.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire MSRP: Now: $223.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines MSRP: Now: $184.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil MSRP: Now: $217.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-308 EFI Main Power Harness MSRP: Now: $81.68 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated MSRP: Now: $159.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness MSRP: Now: $104.36 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-304 HEI Ignition Harness MSRP: Now: $48.92 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup MSRP: Now: $79.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors MSRP: Now: $163.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector MSRP: Now: $155.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated MSRP: Now: $251.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated MSRP: Now: $187.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV MSRP: Now: $135.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness MSRP: Now: $191.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-126 Flying Lead Main Harness MSRP: Now: $351.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness MSRP: Now: $536.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness MSRP: Now: $506.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil MSRP: Now: $679.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length MSRP: Now: $54.37 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 MSRP: Now: $219.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O MSRP: Now: $43.49 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 MSRP: Now: $33.20 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-406 Drive By Wire Harness GM MSRP: Now: $205.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E MSRP: Now: $251.06 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-404 J4 Connector & Harness MSRP: Now: $186.26 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-403 J3 Connector & Harness MSRP: Now: $145.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit MSRP: Now: $145.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector MSRP: Now: $189.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector MSRP: Now: $99.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire MSRP: Now: $223.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines MSRP: Now: $184.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil MSRP: Now: $217.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-308 EFI Main Power Harness MSRP: Now: $81.68 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated MSRP: Now: $159.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness MSRP: Now: $104.36 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-304 HEI Ignition Harness MSRP: Now: $48.92 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup MSRP: Now: $79.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors MSRP: Now: $163.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector MSRP: Now: $155.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated MSRP: Now: $251.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated MSRP: Now: $187.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV MSRP: Now: $135.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness MSRP: Now: $191.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-126 Flying Lead Main Harness MSRP: Now: $351.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness MSRP: Now: $536.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness MSRP: Now: $506.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil MSRP: Now: $679.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 MSRP: Now: $219.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O MSRP: Now: $43.49 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 MSRP: Now: $33.20 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-406 Drive By Wire Harness GM MSRP: Now: $205.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E MSRP: Now: $251.06 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-404 J4 Connector & Harness MSRP: Now: $186.26 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-403 J3 Connector & Harness MSRP: Now: $145.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit MSRP: Now: $145.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector MSRP: Now: $189.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector MSRP: Now: $99.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire MSRP: Now: $223.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines MSRP: Now: $184.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil MSRP: Now: $217.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-308 EFI Main Power Harness MSRP: Now: $81.68 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated MSRP: Now: $159.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness MSRP: Now: $104.36 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-304 HEI Ignition Harness MSRP: Now: $48.92 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup MSRP: Now: $79.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors MSRP: Now: $163.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector MSRP: Now: $155.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated MSRP: Now: $251.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated MSRP: Now: $187.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV MSRP: Now: $135.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness MSRP: Now: $191.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-126 Flying Lead Main Harness MSRP: Now: $351.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness MSRP: Now: $536.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness MSRP: Now: $506.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil MSRP: Now: $679.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O MSRP: Now: $43.49 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 MSRP: Now: $33.20 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-406 Drive By Wire Harness GM MSRP: Now: $205.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E MSRP: Now: $251.06 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-404 J4 Connector & Harness MSRP: Now: $186.26 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-403 J3 Connector & Harness MSRP: Now: $145.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit MSRP: Now: $145.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector MSRP: Now: $189.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector MSRP: Now: $99.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire MSRP: Now: $223.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines MSRP: Now: $184.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil MSRP: Now: $217.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-308 EFI Main Power Harness MSRP: Now: $81.68 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated MSRP: Now: $159.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness MSRP: Now: $104.36 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-304 HEI Ignition Harness MSRP: Now: $48.92 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup MSRP: Now: $79.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors MSRP: Now: $163.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector MSRP: Now: $155.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated MSRP: Now: $251.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated MSRP: Now: $187.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV MSRP: Now: $135.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness MSRP: Now: $191.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-126 Flying Lead Main Harness MSRP: Now: $351.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness MSRP: Now: $536.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness MSRP: Now: $506.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil MSRP: Now: $679.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 MSRP: Now: $33.20 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-406 Drive By Wire Harness GM MSRP: Now: $205.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E MSRP: Now: $251.06 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-404 J4 Connector & Harness MSRP: Now: $186.26 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-403 J3 Connector & Harness MSRP: Now: $145.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit MSRP: Now: $145.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector MSRP: Now: $189.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector MSRP: Now: $99.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire MSRP: Now: $223.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines MSRP: Now: $184.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil MSRP: Now: $217.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-308 EFI Main Power Harness MSRP: Now: $81.68 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated MSRP: Now: $159.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness MSRP: Now: $104.36 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-304 HEI Ignition Harness MSRP: Now: $48.92 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup MSRP: Now: $79.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors MSRP: Now: $163.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector MSRP: Now: $155.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated MSRP: Now: $251.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated MSRP: Now: $187.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV MSRP: Now: $135.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness MSRP: Now: $191.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-126 Flying Lead Main Harness MSRP: Now: $351.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness MSRP: Now: $536.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness MSRP: Now: $506.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil MSRP: Now: $679.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-406 Drive By Wire Harness GM MSRP: Now: $205.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E MSRP: Now: $251.06 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-404 J4 Connector & Harness MSRP: Now: $186.26 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-403 J3 Connector & Harness MSRP: Now: $145.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit MSRP: Now: $145.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector MSRP: Now: $189.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector MSRP: Now: $99.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire MSRP: Now: $223.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines MSRP: Now: $184.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil MSRP: Now: $217.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-308 EFI Main Power Harness MSRP: Now: $81.68 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated MSRP: Now: $159.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness MSRP: Now: $104.36 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-304 HEI Ignition Harness MSRP: Now: $48.92 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup MSRP: Now: $79.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors MSRP: Now: $163.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector MSRP: Now: $155.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated MSRP: Now: $251.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated MSRP: Now: $187.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV MSRP: Now: $135.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness MSRP: Now: $191.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-126 Flying Lead Main Harness MSRP: Now: $351.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness MSRP: Now: $536.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness MSRP: Now: $506.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil MSRP: Now: $679.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E MSRP: Now: $251.06 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-404 J4 Connector & Harness MSRP: Now: $186.26 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-403 J3 Connector & Harness MSRP: Now: $145.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit MSRP: Now: $145.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector MSRP: Now: $189.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector MSRP: Now: $99.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire MSRP: Now: $223.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines MSRP: Now: $184.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil MSRP: Now: $217.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-308 EFI Main Power Harness MSRP: Now: $81.68 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated MSRP: Now: $159.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness MSRP: Now: $104.36 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-304 HEI Ignition Harness MSRP: Now: $48.92 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup MSRP: Now: $79.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors MSRP: Now: $163.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector MSRP: Now: $155.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated MSRP: Now: $251.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated MSRP: Now: $187.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV MSRP: Now: $135.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness MSRP: Now: $191.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-126 Flying Lead Main Harness MSRP: Now: $351.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness MSRP: Now: $536.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness MSRP: Now: $506.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil MSRP: Now: $679.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-404 J4 Connector & Harness MSRP: Now: $186.26 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-403 J3 Connector & Harness MSRP: Now: $145.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit MSRP: Now: $145.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector MSRP: Now: $189.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector MSRP: Now: $99.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire MSRP: Now: $223.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines MSRP: Now: $184.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil MSRP: Now: $217.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-308 EFI Main Power Harness MSRP: Now: $81.68 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated MSRP: Now: $159.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness MSRP: Now: $104.36 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-304 HEI Ignition Harness MSRP: Now: $48.92 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup MSRP: Now: $79.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors MSRP: Now: $163.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector MSRP: Now: $155.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated MSRP: Now: $251.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated MSRP: Now: $187.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV MSRP: Now: $135.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness MSRP: Now: $191.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-126 Flying Lead Main Harness MSRP: Now: $351.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness MSRP: Now: $536.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness MSRP: Now: $506.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil MSRP: Now: $679.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-403 J3 Connector & Harness MSRP: Now: $145.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit MSRP: Now: $145.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector MSRP: Now: $189.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector MSRP: Now: $99.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire MSRP: Now: $223.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines MSRP: Now: $184.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil MSRP: Now: $217.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-308 EFI Main Power Harness MSRP: Now: $81.68 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated MSRP: Now: $159.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness MSRP: Now: $104.36 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-304 HEI Ignition Harness MSRP: Now: $48.92 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup MSRP: Now: $79.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors MSRP: Now: $163.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector MSRP: Now: $155.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated MSRP: Now: $251.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated MSRP: Now: $187.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV MSRP: Now: $135.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness MSRP: Now: $191.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-126 Flying Lead Main Harness MSRP: Now: $351.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness MSRP: Now: $536.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness MSRP: Now: $506.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil MSRP: Now: $679.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit MSRP: Now: $145.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector MSRP: Now: $189.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector MSRP: Now: $99.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire MSRP: Now: $223.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines MSRP: Now: $184.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil MSRP: Now: $217.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-308 EFI Main Power Harness MSRP: Now: $81.68 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated MSRP: Now: $159.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness MSRP: Now: $104.36 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-304 HEI Ignition Harness MSRP: Now: $48.92 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup MSRP: Now: $79.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors MSRP: Now: $163.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector MSRP: Now: $155.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated MSRP: Now: $251.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated MSRP: Now: $187.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV MSRP: Now: $135.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness MSRP: Now: $191.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-126 Flying Lead Main Harness MSRP: Now: $351.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness MSRP: Now: $536.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness MSRP: Now: $506.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil MSRP: Now: $679.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector MSRP: Now: $189.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector MSRP: Now: $99.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire MSRP: Now: $223.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines MSRP: Now: $184.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil MSRP: Now: $217.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-308 EFI Main Power Harness MSRP: Now: $81.68 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated MSRP: Now: $159.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness MSRP: Now: $104.36 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-304 HEI Ignition Harness MSRP: Now: $48.92 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup MSRP: Now: $79.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors MSRP: Now: $163.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector MSRP: Now: $155.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated MSRP: Now: $251.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated MSRP: Now: $187.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV MSRP: Now: $135.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness MSRP: Now: $191.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-126 Flying Lead Main Harness MSRP: Now: $351.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness MSRP: Now: $536.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness MSRP: Now: $506.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil MSRP: Now: $679.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector MSRP: Now: $99.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire MSRP: Now: $223.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines MSRP: Now: $184.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil MSRP: Now: $217.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-308 EFI Main Power Harness MSRP: Now: $81.68 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated MSRP: Now: $159.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness MSRP: Now: $104.36 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-304 HEI Ignition Harness MSRP: Now: $48.92 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup MSRP: Now: $79.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors MSRP: Now: $163.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector MSRP: Now: $155.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated MSRP: Now: $251.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated MSRP: Now: $187.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV MSRP: Now: $135.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness MSRP: Now: $191.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-126 Flying Lead Main Harness MSRP: Now: $351.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness MSRP: Now: $536.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness MSRP: Now: $506.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil MSRP: Now: $679.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire MSRP: Now: $223.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines MSRP: Now: $184.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil MSRP: Now: $217.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-308 EFI Main Power Harness MSRP: Now: $81.68 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated MSRP: Now: $159.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness MSRP: Now: $104.36 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-304 HEI Ignition Harness MSRP: Now: $48.92 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup MSRP: Now: $79.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors MSRP: Now: $163.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector MSRP: Now: $155.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated MSRP: Now: $251.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated MSRP: Now: $187.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV MSRP: Now: $135.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness MSRP: Now: $191.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-126 Flying Lead Main Harness MSRP: Now: $351.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness MSRP: Now: $536.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness MSRP: Now: $506.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil MSRP: Now: $679.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire MSRP: Now: $223.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines MSRP: Now: $184.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil MSRP: Now: $217.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-308 EFI Main Power Harness MSRP: Now: $81.68 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated MSRP: Now: $159.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness MSRP: Now: $104.36 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-304 HEI Ignition Harness MSRP: Now: $48.92 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup MSRP: Now: $79.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors MSRP: Now: $163.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector MSRP: Now: $155.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated MSRP: Now: $251.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated MSRP: Now: $187.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV MSRP: Now: $135.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness MSRP: Now: $191.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-126 Flying Lead Main Harness MSRP: Now: $351.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness MSRP: Now: $536.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness MSRP: Now: $506.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil MSRP: Now: $679.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines MSRP: Now: $184.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil MSRP: Now: $217.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-308 EFI Main Power Harness MSRP: Now: $81.68 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated MSRP: Now: $159.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness MSRP: Now: $104.36 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-304 HEI Ignition Harness MSRP: Now: $48.92 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup MSRP: Now: $79.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors MSRP: Now: $163.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector MSRP: Now: $155.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated MSRP: Now: $251.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated MSRP: Now: $187.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV MSRP: Now: $135.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness MSRP: Now: $191.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-126 Flying Lead Main Harness MSRP: Now: $351.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness MSRP: Now: $536.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness MSRP: Now: $506.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil MSRP: Now: $679.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil MSRP: Now: $217.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-308 EFI Main Power Harness MSRP: Now: $81.68 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated MSRP: Now: $159.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness MSRP: Now: $104.36 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-304 HEI Ignition Harness MSRP: Now: $48.92 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup MSRP: Now: $79.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors MSRP: Now: $163.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector MSRP: Now: $155.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated MSRP: Now: $251.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated MSRP: Now: $187.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV MSRP: Now: $135.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness MSRP: Now: $191.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-126 Flying Lead Main Harness MSRP: Now: $351.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness MSRP: Now: $536.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness MSRP: Now: $506.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil MSRP: Now: $679.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-308 EFI Main Power Harness MSRP: Now: $81.68 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated MSRP: Now: $159.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness MSRP: Now: $104.36 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-304 HEI Ignition Harness MSRP: Now: $48.92 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup MSRP: Now: $79.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors MSRP: Now: $163.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector MSRP: Now: $155.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated MSRP: Now: $251.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated MSRP: Now: $187.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV MSRP: Now: $135.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness MSRP: Now: $191.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-126 Flying Lead Main Harness MSRP: Now: $351.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness MSRP: Now: $536.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness MSRP: Now: $506.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil MSRP: Now: $679.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated MSRP: Now: $159.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness MSRP: Now: $104.36 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-304 HEI Ignition Harness MSRP: Now: $48.92 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup MSRP: Now: $79.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors MSRP: Now: $163.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector MSRP: Now: $155.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated MSRP: Now: $251.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated MSRP: Now: $187.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV MSRP: Now: $135.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness MSRP: Now: $191.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-126 Flying Lead Main Harness MSRP: Now: $351.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness MSRP: Now: $536.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness MSRP: Now: $506.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil MSRP: Now: $679.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness MSRP: Now: $104.36 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-304 HEI Ignition Harness MSRP: Now: $48.92 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup MSRP: Now: $79.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors MSRP: Now: $163.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector MSRP: Now: $155.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated MSRP: Now: $251.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated MSRP: Now: $187.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV MSRP: Now: $135.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness MSRP: Now: $191.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-126 Flying Lead Main Harness MSRP: Now: $351.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness MSRP: Now: $536.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness MSRP: Now: $506.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil MSRP: Now: $679.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-304 HEI Ignition Harness MSRP: Now: $48.92 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup MSRP: Now: $79.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors MSRP: Now: $163.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector MSRP: Now: $155.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated MSRP: Now: $251.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated MSRP: Now: $187.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV MSRP: Now: $135.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness MSRP: Now: $191.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-126 Flying Lead Main Harness MSRP: Now: $351.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness MSRP: Now: $536.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness MSRP: Now: $506.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil MSRP: Now: $679.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup MSRP: Now: $79.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors MSRP: Now: $163.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector MSRP: Now: $155.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated MSRP: Now: $251.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated MSRP: Now: $187.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV MSRP: Now: $135.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness MSRP: Now: $191.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-126 Flying Lead Main Harness MSRP: Now: $351.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness MSRP: Now: $536.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness MSRP: Now: $506.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil MSRP: Now: $679.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors MSRP: Now: $163.76 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector MSRP: Now: $155.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated MSRP: Now: $251.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated MSRP: Now: $187.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV MSRP: Now: $135.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness MSRP: Now: $191.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-126 Flying Lead Main Harness MSRP: Now: $351.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness MSRP: Now: $536.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness MSRP: Now: $506.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil MSRP: Now: $679.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector MSRP: Now: $155.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated MSRP: Now: $251.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated MSRP: Now: $187.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV MSRP: Now: $135.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness MSRP: Now: $191.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-126 Flying Lead Main Harness MSRP: Now: $351.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness MSRP: Now: $536.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness MSRP: Now: $506.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil MSRP: Now: $679.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated MSRP: Now: $251.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated MSRP: Now: $187.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV MSRP: Now: $135.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness MSRP: Now: $191.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-126 Flying Lead Main Harness MSRP: Now: $351.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness MSRP: Now: $536.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness MSRP: Now: $506.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil MSRP: Now: $679.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated MSRP: Now: $187.16 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV MSRP: Now: $135.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness MSRP: Now: $191.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-126 Flying Lead Main Harness MSRP: Now: $351.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness MSRP: Now: $536.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness MSRP: Now: $506.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil MSRP: Now: $679.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors MSRP: Now: $161.96 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV MSRP: Now: $135.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness MSRP: Now: $191.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-126 Flying Lead Main Harness MSRP: Now: $351.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness MSRP: Now: $536.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness MSRP: Now: $506.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil MSRP: Now: $679.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV MSRP: Now: $135.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness MSRP: Now: $191.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-126 Flying Lead Main Harness MSRP: Now: $351.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness MSRP: Now: $536.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness MSRP: Now: $506.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil MSRP: Now: $679.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness MSRP: Now: $191.66 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-126 Flying Lead Main Harness MSRP: Now: $351.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness MSRP: Now: $536.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness MSRP: Now: $506.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil MSRP: Now: $679.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-126 Flying Lead Main Harness MSRP: Now: $351.86 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness MSRP: Now: $536.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness MSRP: Now: $506.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil MSRP: Now: $679.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness MSRP: Now: $536.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness MSRP: Now: $506.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil MSRP: Now: $679.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness MSRP: Now: $506.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil MSRP: Now: $679.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil MSRP: Now: $679.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI MSRP: Now: $436.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 MSRP: Now: $521.95 Add to Cart Compare Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges MSRP: Now: $124.16 Add to Cart Compare Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view Details CHEVROLET PERFORMANCE | sku: GMP12627501 Wire Harness for Cam Position Sensor MSRP: Now: $38.99 Add to Cart Compare Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view HOLLEY | sku: HLY558-429 Dominator EFI DBW Harness - Early Truck EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view HOLLEY | sku: HLY558-428 CAN Extension Harness 9in Length CAN Wiring Harness - Extension Harness - 9 in Long - Black Rubber Coated - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view HOLLEY | sku: HLY558-426 Can Extension Harness 12ft CAN Wiring Harness - Extension Harness - 12 ft Long - Black Rubber Coated - Each MSRP: Now: $65.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view HOLLEY | sku: HLY558-425 CAN Extension Harness 8ft Length CAN Wiring Harness - Extension Harness - 8 ft Long - Black Rubber Coated - Each MSRP: Now: $54.37 Add to Cart Compare Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view HOLLEY | sku: HLY558-422 DBW Throttle Harness Ford 5.0L Coyote 11-17 EFI Wiring Harness - Drive by Wire - Holley EFI - Ford Coyote - Each MSRP: Now: $219.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view HOLLEY | sku: HLY558-420 Wire Harness Kit - EFI Terminator I/O EFI Wiring Harness - Input / Output - Holley Terminator EFI - Each MSRP: Now: $43.49 Add to Cart Compare Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view HOLLEY | sku: HLY558-416 Map Sensor Adapter LS1 & LS2 to LS3 Wiring Harness Adapter - LS Main Harness to LS3 Map Sensor - Each MSRP: Now: $33.20 Add to Cart Compare Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view HOLLEY | sku: HLY558-406 Drive By Wire Harness GM EFI Wiring Harness - Drive by Wire - Holley Dominator EFI - GM - Each MSRP: Now: $205.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view HOLLEY | sku: HLY558-405 Trans Wiring Harness GM 4L60/80E EFI Wiring Harness - Transmission - Holley Dominator EFI - GM 4L60E / 4L80E - Each MSRP: Now: $251.06 Add to Cart Compare Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view HOLLEY | sku: HLY558-404 J4 Connector & Harness EFI Wiring Harness - J4 Auxiliary Harness - Holley Dominator EFI - Each MSRP: Now: $186.26 Add to Cart Compare Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view HOLLEY | sku: HLY558-403 J3 Connector & Harness Wiring Harness - J3 Auxiliary Input / Output Connector - Dominator EFI - Each MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view HOLLEY | sku: HLY558-402 J2B Auxiliary Harness Kit EFI Wiring Harness - J2B Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $145.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view HOLLEY | sku: HLY558-401 Auxiliary Harness J2A Connector EFI Wiring Harness - J2A Auxiliary Connector Harness - Holley Dominator EFI - Universal - Kit MSRP: Now: $189.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view HOLLEY | sku: HLY558-400 J1A/B Input/Output Connector EFI Wiring Harness - J1A/B - Holley Dominator EFI - Each MSRP: Now: $99.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view HOLLEY | sku: HLY558-321 GM LS Coil Sub Harnesses Ignition Wiring Harness - Factory Replacement - Injector Sub Harness - GM LS-Series - Pair MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view HOLLEY | sku: HLY558-318 Coil-Near-Plug Sub Harness - Big Wire Ignition Wiring Harness - Big Wire C-N-P Sub Harness - V8 - Each MSRP: Now: $223.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view HOLLEY | sku: HLY558-315 Coil Harness - Ford 4V Modular Engines Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford Modular - Each MSRP: Now: $184.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view HOLLEY | sku: HLY558-312 HP EFI Sub-Harnesses - Smart Coil EFI Wiring Harness - Smart Coil - Ignition Coil Wiring - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $217.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view HOLLEY | sku: HLY558-308 EFI Main Power Harness EFI Wiring Harness - Main Power - Holley Dominator EFI - Each MSRP: Now: $81.68 Add to Cart Compare Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view HOLLEY | sku: HLY558-306 Universal EFI Ignition Harness un-terminated EFI Wiring Harness - Unterminated Ignition Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $159.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view HOLLEY | sku: HLY558-305 Ford TFI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - Ford TFI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $104.36 Add to Cart Compare Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view HOLLEY | sku: HLY558-304 HEI Ignition Harness EFI Wiring Harness - Ignition Adapter Harness - GM Small Cap HEI Distributor to Holley Avenger / HP / Dominator EFI - Each MSRP: Now: $48.92 Add to Cart Compare Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view HOLLEY | sku: HLY558-303 Ignition Harness w/Magnetic Pickup EFI Wiring Harness - Magnetic Pickup - Holley Dominator EFI - GM LS-Series - Each MSRP: Now: $79.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view HOLLEY | sku: HLY558-213 Injector Harness Ford w/ Jetronic Injectors EFI Wiring Harness - EV1 Style Injectors - Ford V8 - Each MSRP: Now: $163.76 Add to Cart Compare Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view HOLLEY | sku: HLY558-212 Injector Harness - Ford USCAR/EV6 Style Injector EFI Wiring Harness - EV6 / USCAR Style Injectors - Holley EFI - Small Block Ford - Each MSRP: Now: $155.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view HOLLEY | sku: HLY558-207 Injector Harness - 16 Injectors - Unterminated EFI Wiring Harness - Bosch EV1 Style Injectors - Holley HP / Dominator EFI - Kit MSRP: Now: $251.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view HOLLEY | sku: HLY558-204 EFI Injector Harness - Universal Unterminated Fuel Injector Harness - Unterminated - Bosch Terminal Ends Included - Holley HP / Dominator EFI - Kit MSRP: Now: $187.16 Add to Cart Compare Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view HOLLEY | sku: HLY558-200 Injector Wiring Harness V8 Bosch Style Injectors EFI Wiring Harness - Bosch Style Injectors - Holley Dominator EFI - Each MSRP: Now: $161.96 Add to Cart Compare Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view HOLLEY | sku: HLY558-132 Sub-Harness Mopar Gen-3 Hemi VVT & SRV EFI Wiring Harness - Terminator X - Variable Valve Timing - Mopar Gen III Hemi - Each MSRP: Now: $135.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view HOLLEY | sku: HLY558-127 Bench-Top EFI Test Harness Wiring Harness - Bench Top Test - Holley EFI - Each MSRP: Now: $191.66 Add to Cart Compare Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view HOLLEY | sku: HLY558-126 Flying Lead Main Harness Ignition Wiring Harness - Flying Lead - 15 ft Long - Crimped - Universal - Kit MSRP: Now: $351.86 Add to Cart Compare Quick view HOLLEY | sku: HLY558-118 Ford MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Ford MPFI - Each MSRP: Now: $536.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-117 Universal MPFI Coil On Plug Main Harness Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each MSRP: Now: $506.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-113 Main Harness 99-04 Ford Mod Motor w/Smart Coil Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each MSRP: Now: $679.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-105 Main Harness - Univesal Un-Terminated EFI Wiring Harness - Unterminated Main Harness - Holley HP / Dominator EFI - Kit MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-104 Main Harness - Universal MPFI EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each MSRP: Now: $436.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
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Quick view HOLLEY | sku: HLY558-103 Main Wiring Harness LS2 & LS3 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 58x Reluctor Wheel - LS2 / LS3 / LS7 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view HOLLEY | sku: HLY558-102 Main Wiring Harness LS1 & LS6 EFI Wiring Harness - Main Harness - Holley HP / Dominator EFI - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each MSRP: Now: $521.95 Add to Cart Compare Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |
Quick view HOLLEY | sku: HLY554-130 EFI Gauge Module Anolog Style Can Gauges Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each MSRP: Now: $124.16 Add to Cart Compare Quick view CHEVROLET PERFORMANCE |