Filters
Holley EFI 558-462
Terminator X Input/Output Harness; for use with Terminator X and X MAX ECU's - 4 Inputs / 4 Outputs
Holley EFI 550-603
HP EFI ECU & Harness Kits; GM LS2/3/7 (58x crank sensor) with USCAR (EV6 Style) connectors on injector harness, Includes Bosch Oxygen Sensor
Holley EFI 558-439
Terminator Throttle Body Harness; Injector upgrade harness for Terminator Throttle Bodies.
Holley EFI 550-603N
HP EFI ECU & Harness Kits; GM LS2/3/7 (58x crank sensor) with USCAR (EV6 Style) connectors on injector harness, Includes NTK Oxygen Sensor
Holley EFI 558-440
Universal 4 EV14 Cylinder Injector Harness; Universal 4 Cylinder EV14 Injector Harness for HP EFI & Dominator EFI
Holley EFI 550-604
HP EFI ECU & Harness Kits; Universal V8 Multi-Point Fuel Injection, Includes Bosch Oxygen Sensor
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 558-450
Holley EFI Chrysler HEMI Drive-By-Wire Dual Throttle Body Harness; HEMI DUAL DBW HARNESS, 2013+ APPLICATION
Holley EFI 558-470
Holley EFI Transmission Control Harness - 1998+ Ford 4R70W/4R75W; For 1998+ Ford 4R70W/4R75W