Holley EFI Dominator EFI Engine Control Module - Wiring Harness - Drive-By-Wire - LS2 - GM LS-Series Harland Sharp Pink high pressure spring (M-55A)comes

Pink high pressure spring (M-55A)comes installed with the lower pressure yellow spring (M-55) also included

2017 Ram 1500 Limited Factory Dual Exhaust Compatible

Comes with detailed instructions and mounting hardware

unlike inefficient rubber and foam bump stops

No return line needed

Holley EFI Dominator EFI Engine Control Module - Wiring Harness - Drive-By-Wire - LS2 - GM LS-Series Harland Sharp Pink high pressure spring (M-55A)comesWhen 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,