Holley HP EFI

HP EFI ECU - 554-113

HP EFI ECU & HARNESS KITS GM LS1/LS6 (24x crank sensor) with Bosch type connectors on injector harness (fits Holley 522-xxx injectors), Includes Bosch Oxygen Sensor - 550-602

HP EFI ECU & HARNESS KITS Universal V8 Multi-Point Fuel Injection, Includes Bosch Oxygen Sensor - 550-604

HP EFI ECU & HARNESS KITS GM LS2/3/7 (58x crank sensor) with USCAR (EV6 Style) connectors on injector harness, Includes Bosch Oxygen Sensor- 550-603

HP EFI ECU & HARNESS KITS Universal FORD V8 Multi-Point Fuel Injection, Includes Bosch Oxygen Sensor, and Ford V8 Injector Harness - 550-606

HP EFI ECU & HARNESS KITS GM LS1/LS6 (24x crank sensor) with Bosch type connectors on injector harness (fits Holley 522-xxx injectors), Includes NTK Oxygen Sensor - 550-602N

HP EFI ECU & HARNESS KITS Universal FORD V8 Multi-Point Fuel Injection, Includes NTK Oxygen Sensor, and Ford V8 Injector Harness - 550-606N

HP EFI ECU & HARNESS KITS Universal V8 Multi-Point Fuel Injection, Includes NTK Oxygen Sensor - 550-604N

HP EFI ECU & HARNESS KITS GM TPI and Holley Stealth Ram™, Includes Bosch Oxygen Sensor - 550-601

HOLLEY HP GM LS2/3/7 (58x crank sensor) with Bosch type connectors on injector harness (fits Holley 522-xxx injectors), Includes NTK Oxygen Sensor - 550-607N

HOLLEY HP GM LS2/3/7 (58x crank sensor) with USCAR (EV6 Style) connectors on injector harness, Includes NTK Oxygen Sensor - 550-603N

HP EFI ECU & HARNESS KITS UNIVERSAL HARNESS BOSCH SENSOR - 550-605

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