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Engine Wiring Harnesses(78)

78 products

Showing 49 - 72 of 78 products

Showing 49 - 72 of 78 products
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Holley Sniper 2 Main Wiring Harness — PDM Power Distribution ModuleHolley Sniper 2 Main Wiring Harness — PDM Power Distribution Module
Holley Sniper 2 Main Wiring Harness — PDM Power Distribution Module
$140.35
1400 ENTRIES 10X
No reviews
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Holley Main EFI Wiring Harness — Fits 1999-2004 Ford Modular EnginesHolley Main EFI Wiring Harness — Fits 1999-2004 Ford Modular Engines
Holley Main EFI Wiring Harness — Fits 1999-2004 Ford Modular Engines
$763.95
7630 ENTRIES 10X
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Holley TPI Stealth Ram Main Harness — For Avenger, HP, and Dominator EFIHolley TPI Stealth Ram Main Harness — For Avenger, HP, and Dominator EFI
Holley TPI Stealth Ram Main Harness — For Avenger, HP, and Dominator EFI
$607.95 $675.95
6070 ENTRIES 10X
Save 10%
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Holley EFI Engine Main Wiring Harness — Plug-and-Play — Fits Small Block Ford 5.0L/5.8LHolley EFI Engine Main Wiring Harness — Plug-and-Play — Fits Small Block Ford 5.0L/5.8L
Holley EFI Engine Main Wiring Harness — Plug-and-Play — Fits Small Block Ford 5.0L/5.8L
$525.95
5250 ENTRIES 10X
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Holley EFI 558-466 MPFI to Delphi GT MAP Sensor Wiring Adapter HarnessHolley EFI 558-466 MPFI to Delphi GT MAP Sensor Wiring Adapter Harness
Holley EFI 558-466 MPFI to Delphi GT MAP Sensor Wiring Adapter Harness
$44.96
440 ENTRIES 10X
No reviews
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Holley EFI 558-463 Wideband Adapter Harness — Terminator X SystemsHolley EFI 558-463 Wideband Adapter Harness — Terminator X Systems
Holley EFI 558-463 Wideband Adapter Harness — Terminator X Systems
$66.75
660 ENTRIES 10X
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Out of Stock
Holley EFI Injector Harness — USCAR/EV6 Style for Small Block FordHolley EFI Injector Harness — USCAR/EV6 Style for Small Block Ford
Holley EFI Injector Harness — USCAR/EV6 Style for Small Block Ford
$186.95
1860 ENTRIES 10X
No reviews
Video Available Sold out
Holley EFI CAN Adapter — 2-Pin Main Harness to CAN DeviceHolley EFI CAN Adapter — 2-Pin Main Harness to CAN Device
Holley EFI CAN Adapter — 2-Pin Main Harness to CAN Device
$40.27
400 ENTRIES 10X
No reviews
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Holley EFI Transmission Harness — GM 4L60E and 4L80E Pre-2009Holley EFI Transmission Harness — GM 4L60E and 4L80E Pre-2009
Holley EFI Transmission Harness — GM 4L60E and 4L80E Pre-2009
$286.95
2860 ENTRIES 10X
No reviews
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Holley EFI Dominator DBW Harness — Early GM Truck Engine WiringHolley EFI Dominator DBW Harness — Early GM Truck Engine Wiring
Holley EFI Dominator DBW Harness — Early GM Truck Engine Wiring
$256.95
2560 ENTRIES 10X
No reviews
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Holley EFI Universal Un-Terminated Injector Harness — Bosch Terminal EndsHolley EFI Universal Un-Terminated Injector Harness — Bosch Terminal Ends
Holley EFI Universal Un-Terminated Injector Harness — Bosch Terminal Ends
$214.95
2140 ENTRIES 10X
No reviews
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Holley EFI Main Wiring Harness LS1 & LS6 — Fits 24x Reluctor GM LS EnginesHolley EFI Main Wiring Harness LS1 & LS6 — Fits 24x Reluctor GM LS Engines
Holley EFI Main Wiring Harness LS1 & LS6 — Fits 24x Reluctor GM LS Engines
$607.95 $675.95
6070 ENTRIES 10X
Save 10%
No reviews
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Holley EFI Main Harness — Universal MPFI Engine Wiring KitHolley EFI Main Harness — Universal MPFI Engine Wiring Kit
Holley EFI Main Harness — Universal MPFI Engine Wiring Kit
$513.95
5130 ENTRIES 10X
No reviews
Video Available In stock
Holley EFI Main Harness — Universal Unterminated EFI Wiring KitHolley EFI Main Harness — Universal Unterminated EFI Wiring Kit
Holley EFI Main Harness — Universal Unterminated EFI Wiring Kit
$513.95
5130 ENTRIES 10X
No reviews
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Holley EFI Drive By Wire Harness for GM Vehicles — Dominator EFI Compatible 558-406Holley EFI Drive By Wire Harness for GM Vehicles — Dominator EFI Compatible 558-406
Holley EFI Drive By Wire Harness for GM Vehicles — Dominator EFI Compatible 558-406
$232.95
2320 ENTRIES 10X
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Holley EFI Main Wiring Harness LS2 & LS3 — Fits 58x Reluctor GM LS EnginesHolley EFI Main Wiring Harness LS2 & LS3 — Fits 58x Reluctor GM LS Engines
Holley EFI Main Wiring Harness LS2 & LS3 — Fits 58x Reluctor GM LS Engines
$607.95
6070 ENTRIES 10X
No reviews
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Holley EFI CAN Extension Harness - 8-foot Length, Black Rubber CoatedHolley EFI CAN Extension Harness - 8-foot Length, Black Rubber Coated
Holley EFI CAN Extension Harness - 8-foot Length, Black Rubber Coated
$63.17 $70.19
630 ENTRIES 10X
Save 10%
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Holley EFI CAN Extension Harness 12ft — Universal EFI System Wiring
Holley EFI CAN Extension Harness 12ft — Universal EFI System Wiring
$75.86
750 ENTRIES 10X
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Holley EFI CAN Extension Harness 9in Length — Universal FitmentHolley EFI CAN Extension Harness 9in Length — Universal Fitment
Holley EFI CAN Extension Harness 9in Length — Universal Fitment
$50.63
500 ENTRIES 10X
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Out of Stock
Holley EFI Bench-Top EFI Test Harness — Professional Diagnostic ToolHolley EFI Bench-Top EFI Test Harness — Professional Diagnostic Tool
Holley EFI Bench-Top EFI Test Harness — Professional Diagnostic Tool
$223.95 $249.95
2230 ENTRIES 10X
Save 10%
No reviews
Video Available Sold out
Holley EFI 10-Pin Input/Output Wiring Harness - For Sniper TBI EFI SystemsHolley EFI 10-Pin Input/Output Wiring Harness - For Sniper TBI EFI Systems
Holley EFI 10-Pin Input/Output Wiring Harness - For Sniper TBI EFI Systems
$61.88
610 ENTRIES 10X
No reviews
Video Available In stock
Holley EFI 7-Pin Main Power Harness for Sniper TBI Systems — Integrated Fuse & Fuel Pump RelaysHolley EFI 7-Pin Main Power Harness for Sniper TBI Systems — Integrated Fuse & Fuel Pump Relays
Holley EFI 7-Pin Main Power Harness for Sniper TBI Systems — Integrated Fuse & Fuel Pump Relays
$157.45
1570 ENTRIES 10X
No reviews
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Holley EFI LS to SS MAP Sensor Adapter Harness — Fits GM LS-SeriesHolley EFI LS to SS MAP Sensor Adapter Harness — Fits GM LS-Series
Holley EFI LS to SS MAP Sensor Adapter Harness — Fits GM LS-Series
$24.95
240 ENTRIES 10X
No reviews
Video Available In stock
Holley EFI J2A Auxiliary Harness Kit — Dominator EFI UniversalHolley EFI J2A Auxiliary Harness Kit — Dominator EFI Universal
Holley EFI J2A Auxiliary Harness Kit — Dominator EFI Universal
$217.95
2170 ENTRIES 10X
No reviews
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