Holley EFI Dominator EFI Engine Control Module - Wiring Harness - Transmission Harness - Drive-By-Wire - LS1/LS6 - GM LS-Series 1128603 Fits standard Holley® as well

Fits standard Holley® as well as Quadrajet type carburetor mounting bolt patterns

Using protective anti-wear chemistry allows mating surfaces to gently make contact during first new startup

& 8 cylinder engines) with points

Diesel / V10

Holley EFI Dominator EFI Engine Control Module - Wiring Harness - Transmission Harness - Drive-By-Wire - LS1/LS6 - GM LS-Series 1128603 Fits standard Holley® as wellWhen 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,