Holley EFI 99-04 4 Valve Ford, Injector Harness, Jetronic, w/NTK Oxygen Sensor - (EFI-550-617N)

DescriptionInjector Harness; 2 Valve Ford; Jetronic; NTK Style Harness; Incl. NTK Wideband O2;Looking for a plug and play alternative for your stock or built late model factory EFI engine? How about...

DescriptionInjector Harness; 4 Valve Ford; Jetronic; Bosch Style Harness; Incl. Bosch Wideband O2;Looking for a plug and play kit for your Ford Modular engine? The HP ECU allows you to accurately...

DescriptionInjector Harness; 2 Valve Ford; Jetronic; Bosch Style Harness; Incl. Bosch Wideband O2;Looking for a plug and play kit for your Ford Modular engine? The HP ECU allows you to accurately...

DescriptionHP EFI ECU And Harness Kit; GM LS2; Incl. ECU/Harness; Unterminated Universal Harness; Incl. NTK Oxygen Sensor;Looking for a plug and play alternative for your stock or built late model...

DescriptionInjector Harness; For Use w/Ford 4V Modular V8 Engines; Incl. Main Power Harness/Injector Harness/Coil Harness Drivers;This wiring harness interfaces a Holley EFI ECU to a 2V or 4V Ford...

DescriptionHP EFI ECU And Harness Kit; GM TPI And Holley Stealth Ram; Incl. ECU/Harness; Incl. NTK Oxygen Sensor;Looking for a plug and play alternative for your stock or built late model factory EFI...