Product • Support • Tuning
Part # 558-504
$1,012.95
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.
Features & Benefits
Includes main power harness, MPFI main harness, and V8 injector harness
Fits: Universal V8 MPFI
Installation note: To complete your installation, we recommend including a Holley ECU and a capatible O2 sensor.
| Harness Application | Ford, GM, Universal |
| Ignition Type | CD Ignition (No Timing Control) |
| Injector Connector | Jetronic / Minitimer (Bosch) |
The EFI Brain
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