Add to Cart HP ECU & Harness MPFI - NTK HOLLEY MSRP: Now: $2,548.95 Was: Engine Control Module - HP EFI - Wiring Harness - NTK Oxygen Sensor - V8 Multi Port Fuel Injection - Each HLY550-604N
Add to Cart HP ECU & Harness LS1/LS6 NTK HOLLEY MSRP: Now: $2,633.95 Was: Engine Control Module - HP EFI - Wiring Harness - NTK Oxygen Sensor - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each HLY550-602N
Add to Cart ECU & Harness MPFI Kit HOLLEY MSRP: Now: $2,336.95 Was: Engine Control Module - HP EFI - Wiring Harness - V8 Multi Port Fuel Injection - Each HLY550-604