Holley EFI - 558-506
Ford Modular 4 Valve EFI Harness Kit
Injector Harness; For Use w/Ford 4V Modular V8 Engines; Incl. Main Power Harness/Injector Harness/Coil Harness Drivers;
This wiring harness interfaces a Holley EFI ECU to a 4V Ford Modular engine. It is meant to be used in conjunction with an injector harness, a coil harness, and ignition modules. Most stock sensors are used with this harness.
- Harness Kit Includes: Main Power Harness, Ford Modular Main Harness, Ford V8 Injector Harness, Ford Modular 4V Coil Harness, Coil Drivers
- Simple Installation
- Can be used with HP or Dominator ECU's