Holley Wiring Harnesses Product images may differ from actual product appearance. Holley wiring harnesses that are commonly used on many of Holley's EFI and TBI Systems.

510-558-400

Connector J1A/B Input/Outputs Auxiliary Harness For Dominator EFI & HP EFI View this item Fits Applications

$61.99 Ships 06/13/12

510-558-401

Dominator EFI Connector J2A Auxiliary Harness View this item Fits Applications

$123.99 Ships 06/06/12

510-558-402

Dominator EFI Connector J2B Auxiliary Harness View this item Fits Applications

$82.99 Ships 06/06/12

510-558-403

Dominator EFI Connector J3 Auxiliary Harness View this item Fits Applications

$82.99 Ships 06/06/12

510-558-404

Dominator EFI Connector J4 Auxiliary Harness View this item Fits Applications

$102.99 Ships 06/06/12

510-534-138

Distributor Wiring Harness Adapter, Chevy HEI Small Cap Distributors View this item Fits Applications

$73.99 Ships 06/06/12

510-534-139

Distributor Wiring Harness Adapter - Ford TFI View this item Fits Applications

$64.99 Ships 06/06/12

510-534-47

GM Distributor Wiring Harness Adapter Allows Connection to GM Distributor for Ignition Control Feature; 4Di Only Holley ECU to GM Distributor View this item Fits Applications

$39.99 Ships 06/06/12

510-558-303

Magnetic Pickup Ignition Harness Dominator EFI & HP EFI View this item Fits Applications

$47.99 Ships 06/06/12

510-558-304

HEI Ignition Harness Dominator EFI, HP EFI & Avenger EFI View this item Fits Applications

$26.99 Ships

510-558-305

Ford TFI Ignition Harness For Avenger EFI, HP EFI & Dominator EFI View this item Fits Applications

$61.99 Ships 06/06/12

510-558-306

Universay Unterminated Ignition Harness For HP EFI & Dominator EFI View this item Fits Applications

$92.99 Ships 06/06/12

510-534-129

Commander 950 Injector Wiring Harness Universal Small Block V8 Over The Fuel Rail View this item

$122.99 Ships 06/06/12

510-534-130

Injector Wiring Harness - 8 Cylinder View this item Fits Applications

$153.99 Ships 06/06/12

510-534-131

Injector Wiring Harness Kit - Ford 5.0L V8 View this item Fits Applications

$113.99 Ships 06/06/12

510-534-153

Universal 4 Cylinder Kit, Injector Wiring Harness For PN 950-104 View this item Fits Applications

$81.99 Ships 06/06/12

510-534-167

Injector Wiring Harness - 2-bbl Throttle Body Commander 950 View this item Fits Applications

$34.99 Ships 06/06/12

510-534-168

Injector Wiring Harness - 4-bbl Throttle Body Commander 950 View this item Fits Applications

$71.99 Ships 06/06/12

510-558-200

Injector Wiring Harness For Avenger EFI, HP EFI and Dominator EFI V8 Over Manifold Bosch Style View this item Fits Applications

$102.99 Ships 06/06/12

510-558-201

LSx Injector Wiring Harness For HP EFI and Dominator EFI View this item Fits Applications

$83.99 Ships 06/06/12

510-558-202

Dominator EFI and HP EFI Universal 4-Cyl Injector Harness View this item Fits Applications

$62.99 Ships 06/06/12

510-558-203

Universal 6-Cyl Injector Harness For HP EFI and Dominator EFI View this item Fits Applications

$102.99 Ships 06/06/12

510-558-204

Universal Unterminated Injector Harness HP EFI and Dominator EFI View this item Fits Applications

$109.99 Ships 06/06/12

510-558-205

Injector Harness Dominator EFI 4 BBL TBI View this item Fits Applications

$57.99 Ships 06/06/12

510-534-128

Main Wiring Harnesss, Used w/Kit 510-950-101 View this item Fits Applications

$381.99 Ships 06/06/12

510-534-135

Wiring Harness - Magnetic Pickup View this item Fits Applications

$37.99 Ships 06/06/12

510-534-142

Main Wiring Harness - Used w/Kit 510-950-103 View this item Fits Applications

$261.99 Ships 06/06/12

510-534-143

Main Wiring Harness - Used w/Kit 510-950-115 View this item Fits Applications

$237.99 Ships 06/06/12

510-534-146

Main Wiring Harness - Used w/Kit 510-950-100 View this item Fits Applications

$129.99 Ships 06/06/12

510-534-147

Main Wiring Harness - Used w/Kit 510-950-102 View this item Fits Applications

$219.99 Ships 06/06/12

510-534-148

Main Wiring Harness - Used w/Kit 510-950-105 View this item Fits Applications

$219.99 Ships 06/06/12

510-534-149

Main Wiring Harness - Used w/Kit 510-950-106 View this item Fits Applications

$246.99 Ships 06/06/12

510-534-182

Main Wiring Harness - Used w/Kit 510-950-104 View this item Fits Applications

$191.99 Ships 06/06/12

510-534-196

Throttle Body Wiring Harness Ford Commander 950 w/Two 4 bbl Throttle Bodies View this item Fits Applications

$79.99 Ships 06/06/12

510-558-100

Dominator EFI 4BBL TBI Main Harness Only View this item Fits Applications

$269.99 Ships

510-558-101

TPI Stealth Ram Main Wiring Harness View this item Fits Applications

$279.99 Ships 06/06/12

510-558-102

LS1 Main Harness For HP EFI/ Dominator EFI Systems View this item Fits Applications

$319.99 Ships 06/06/12

510-558-103

LS2 Main Harness For HP EFI/Dominator EFI Systems View this item Fits Applications

$319.99 Ships 06/06/12

510-558-104

Dominator EFI Universal Multi-Point Fuel Injection Wiring Harness View this item Fits Applications

$269.99 Ships 06/06/12

510-558-105

Dominator EFI Unterminated Wiring Harness View this item Fits Applications

$257.99 Manufacturer's Availability Date Unknown

510-558-308

Main Power Harness For Dominator EFI, Avenger EFI & HP EFI View this item Fits Applications

$51.99 Ships

510-558-405

Dominator EFI 4L60/80 Harness View this item Fits Applications

$144.99 Ships 06/06/12

510-558-406

Dominator EFI GM Drive By Wire Harness View this item Fits Applications

$129.99 Ships 07/14/12

510-534-140

Communication Cable, ECU to Laptop Computer View this item Fits Applications

$67.99 Ships

510-558-409

Dominator EFI Sealed USB Cable View this item Fits Applications

$41.99 Ships 06/23/12