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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 558-500
GM LS 24X EFI HARNESS KIT; GM LS1/6, 24X Crank Sensor, Bosch Injector
Holley EFI 558-501
GM 58X EFI HARNESS KIT; GM LS2/LS3/LS7, 58X Crank Sensor, USCAR/ EV6 Injector
Holley EFI 558-502
GM LS 58X EFI HARNESS KIT; GM LS2/LS3/LS7, 58X Crank Sensor, Bosch Injector
Holley EFI 558-503
GM TPI and Stealth Ram EFI Harness Kit; GM TPI and Holley Stealth Ram™
Holley EFI 558-505
Ford Modular 2 Valve EFI Harness Kit; 1999-2004 Ford Modular 2 Valve Harness Kit
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