Holley EFI Holley EFI LT4 Engine Main Harness - (EFI-558-130)

DescriptionFor use with Terminator XThis harness is designed for use with Terminator X and X Max ECU's Only.

DescriptionFirmware Updating - Dash Configuration - ECU TestingAlso includes a power switch for quick setup in your workspace. Power and Ground flying leads need to be connected to your battery or...

DescriptionMain Battery Harness with Fuse and Fuel Pump Relay for Sniper 2 EFI Throttle Body Systems - Without a PDMThis harness includes the Switched 12v Power Wire, Main Battery Power and Ground,...

DescriptionReplacement main wiring harness for Terminator EFI kits 550-405 and 550-406Replacement main wiring harness for Terminator EFI kits 550-405 and 550-406.

DescriptionPlug and Play with fuel injected 5.0L Small Block Ford EnginesThis harness is for fuel injected small block ford engines, such as 5.0L, or 5.8L Windsor powerplants. Plug and play ignition...