Add to Cart Quick view TPI Stealth Ram Main Harness HOLLEY MSRP: Now: $580.95 Was: EFI Wiring Harness - TPI Stealth Ram - Main Harness - Avenger EFI / HP EFI / Dominator EFI - Various GM Applications - Each HLY558-101
Add to Cart Quick view ECU & Harness MPFI Kit HOLLEY MSRP: Now: $2,249.95 Was: Engine Control Module - HP EFI - Wiring Harness - V8 Multi Port Fuel Injection - Each HLY550-604
Add to Cart Quick view HP ECU & Harness GM LS2/LS3/LS7 HOLLEY MSRP: Now: $2,339.95 Was: Engine Control Module - HP EFI - Wiring Harness - LS2 / LS3 / LS7 - GM LS-Series - Each HLY550-607
Add to Cart Quick view Ford MPFI HP ECU and Wire Harness Kit HOLLEY MSRP: Now: $2,249.95 Was: Engine Control Module - HP EFI - Wiring Harness - Ford Multi Port Fuel Injection - Each HLY550-606