Description Description Engine Control Module - HP EFI - Wiring Harness - NTK Oxygen Sensor - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each View AllClose
Add to Cart Quick view HP ECU & Harness MPFI - NTK (HLY550-604N) HOLLEY MSRP: Now: $2,474.95 Was: Engine Control Module - HP EFI - Wiring Harness - NTK Oxygen Sensor - V8 Multi Port Fuel Injection - Each
Add to Cart Quick view HP ECU & Harness - Ford MPFI NTK (HLY550-606N) HOLLEY MSRP: Now: $2,474.95 Was: Engine Control Module - HP EFI - Wiring Harness - NTK Oxygen Sensor - Ford Multi Port Fuel Injection - Each
Add to Cart Quick view ECU & Wiring Harness LS1 (HLY550-602) HOLLEY MSRP: Now: $2,339.95 Was: Engine Control Module - HP EFI - Wiring Harness - 24x Reluctor Wheel - LS1 / LS6 - GM LS-Series - Each
Add to Cart Quick view HP ECU & Harness GM LS2/LS3/LS7 (HLY550-607) HOLLEY MSRP: Now: $2,999.95 Was: Engine Control Module - HP EFI - Wiring Harness - LS2 / LS3 / LS7 - GM LS-Series - Each
Add to Cart Quick view ECU & Wire Harness Unterminated (HLY550-605) HOLLEY MSRP: Now: $2,249.95 Was: Engine Control Module - HP EFI - Unterminated Wiring Harness - Universal - Each