For all Holley MPI / TBI / Terminator EFI systems up to 600 HP GM Gas " Offers more data and functionality

Offers more data and functionality than instruments 5X the price

Torque Resistant Clam Shell Design Composite Uprights

Every unit undergoes CNC blueprinting

Rough Country's 4" Ford Suspension Lift System is backed by our Lifetime Replacement Warranty

Then returning the fuel

For all Holley MPI / TBI / Terminator EFI systems up to 600 HP GM Gas " Offers more data and functionalityThis kit is designed to allow the use for all Holley MPI TBI Terminator EFI systems on vehicles equipped with dual fuel tanks. The fuel injection systems require a fuel return line. In dual tank applications, the fuel must be returned to the tank from which it was drawn. Originally designed for all TBI 4 bbl Pro Jection and 950 MPFI 4 bbl TBI systems.