Holley EFI 558-503 - Fuel Injection Wire Harness

Holley EFI 558-503 - Fuel Injection Wire Harness

GM TPI and Stealth Ram EFI Harness Kit

Fuel Injection Wire Harness; For Use w/HP Or Dominator; Incl. Main Power Harness/Stealth Ram/TPI Main Harness/V8 Injector Harness/HEI Ignition Harness Adapter;

An EFI system depends heavily on being supplied a clean and constant voltage source. The grounds of an electrical system are just as important as the power side. Our Holley EFI Harness Kit comes complete with the main harness, power harness and injector harness to support your primary system!

• Full harness kit
• Simple Installation
• Works with Dominator and HP ECU's
• Includes Stealthram/TPI Main Harness, Main Power Harness, V8 Injector Harness, HEI Ignition Harness, Ignition Adapter, and Tach Input