Holley EFI Dominator EFI Engine Control Module - LS2/LS3 - GM LS-Series RS003C0113 1988-1994 GMC K3500

1988-1994 GMC K3500

11/32 in Hose Barb Inlet / Outlet

904 in OD - Mopar B/RB-Series/426 Hemi (Set of 16) 89211-16 at low everyday prices

Fits standard 5-bolt (2

13 x 11 x 5 in

Holley EFI Dominator EFI Engine Control Module - LS2/LS3 - GM LS-Series RS003C0113 1988-1994 GMC K3500When 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,