Holley offers a variety of direct replacement EFI wiring harnesses, including multi-port, sequential, and throttle body injection styles. These units are made with premium components to ensure better reliability and performance for your ride--and they're compatible with many engine swaps. Holley EFI systems wiring harnesses are sold individually or as a kit; choose the model needed for your fuel injection application.

KEY FEATURES:
Kits Includes main power harness Universal MPFI main harness V8 injector harness Works with Holley HP or Dominator ECUs.

SPECS:
Emission Code 4 Harness Application Ford, GM, UNIVERSAL Ignition Type CD Ignition (No Timing Control) Injector Connector Jetronic / Minitimer (Bosch) Product Type Harness Kit Part Number 558-504