Add to Cart Quick view Universal MPFI Coil On Plug Main Harness HOLLEY MSRP: Now: $507.95 Was: Ignition Wiring Harness - Coil-On-Plug Main Harness - Universal - Each HLY558-117
Add to Cart Quick view Main Harness - Universal MPFI HOLLEY MSRP: Now: $437.95 Was: EFI Wiring Harness - MPFI Main Harness - Holley HP / Dominator EFI - Universal - Each HLY558-104
Add to Cart Quick view HP ECU & Harness - Ford MPFI NTK HOLLEY MSRP: Now: $2,474.95 Was: Engine Control Module - HP EFI - Wiring Harness - NTK Oxygen Sensor - Ford Multi Port Fuel Injection - Each HLY550-606N
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
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 Main Harness 99-04 Ford Mod Motor w/Smart Coil HOLLEY MSRP: Now: $822.95 Was: Engine Wiring Harness - Holley Smart Coils - Ford Modular - Each HLY558-113
Add to Cart Quick view LS Coil On Plug Harness Universal HOLLEY MSRP: Now: $155.65 Was: Ignition Wiring Harness - Coil-On-Plug to Sub Harness - Holley HP / Dominator EFI - Each HLY558-307
Add to Cart Quick view HP ECU & Harness MPFI - NTK HOLLEY MSRP: Now: $2,474.95 Was: Engine Control Module - HP EFI - Wiring Harness - NTK Oxygen Sensor - V8 Multi Port Fuel Injection - Each HLY550-604N