Holley EFI Dominator EFI Engine Control Module - Wiring Harness - Transmission Harness - Drive-By-Wire - LS1/LS6 - GM LS-Series 1029301 Formula and Stock Cars

Formula and Stock Cars

1999-2007 GMC Sierra 1500 Standard Cab Pickup

1975-1978 GMC K15

Machined valve reliefs and circlip grooves

Holley EFI Dominator EFI Engine Control Module - Wiring Harness - Transmission Harness - Drive-By-Wire - LS1/LS6 - GM LS-Series 1029301 Formula and Stock CarsWhen utilizing a Transbrake, it is mandatory to install either a relay or, our Transbrake input protection device. P N 554 128. This will protect the ECU from any flyback voltage when the Transbrake is released. Dominator EFI systems are sold "a la carte". The following must be purchased for a complete system: ECU (includes software and programming cable), Main Power Harness, Wideband Oxygen Sensor, Main Engine Wiring Harness, Injector Wiring Harness,