For all Holley MPI / TBI / Terminator EFI systems up to 600 HP GM Gas " Every unit undergoes CNC blueprinting

Every unit undergoes CNC blueprinting

Torque Resistant Clam Shell Design Composite Uprights

Offers more data and functionality than instruments 5X the price

Because Nothing Bites Like Gator

6L Duramax Allison 1000|2000 Equipped GM HD Vehicles (124062000)

For all Holley MPI / TBI / Terminator EFI systems up to 600 HP GM Gas " Every unit undergoes CNC blueprintingThis 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.