Filters
Holley EFI 550-604N
HP EFI ECU & Harness Kits; Universal V8 Multi-Point Fuel Injection, Includes NTK Oxygen Sensor
Holley EFI 550-605
HP EFI ECU & Harness Kits; Unterminated Universal Harness, Includes Bosch Oxygen Sensor
Holley EFI 550-605N
HP EFI ECU & Harness Kits; Unterminated Universal Harness, Includes NTK Oxygen Sensor
Holley EFI 550-606N
HP EFI ECU & Harness Kits; Universal FORD V8 Multi-Point Fuel Injection, Includes NTK Oxygen Sensor, and Ford V8 Injector Harness.
Holley EFI 550-607
HP EFI ECU & Harness Kits; GM LS2/3/7 (58x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness (fits Holley 522-xxx injectors), Includes Bosch Oxygen Sensor
Holley EFI 550-607N
HP EFI ECU & Harness Kits; GM LS2/3/7 (58x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness (fits Holley 522-xxx injectors), Includes NTK Oxygen Sensor
Holley EFI 550-616
HP EFI ECU & Harness Kits; Complete 99-04 2 Valve Ford Modular Engine Plug and Play Kit - Jetronic "Bosch Style" injector harness - Bosch Wideband O2
Holley EFI 550-616N
HP EFI ECU and Harness Kits; Complete 99-04 2 Valve Ford Modular Engine Plug and Play Kit - Jetronic "Bosch Style" injector harness - Includes NTK Oxygen Sensor
Holley EFI 550-617
HP EFI ECU and Harness Kits; Complete 99-04 4 Valve Ford Modular Engine Plug and Play Kit - Jetronic "Bosch Style" injector harness - Bosch Wideband O2
Holley EFI 550-617N
HP EFI ECU & Harness Kits; Complete 99-04 4 Valve Ford Modular Engine Plug and Play Kit - Jetronic "Bosch Style" injector harness - Includes NTK Oxygen Sensor
