Holley 534-39: 534-39 Dual Fuel Tank EFI Pump Kit
Selector Valve
Dual Fuel Tank EFI Pump Kit For Holley MPI, TBI, and Terminator EFI Systems Designed for Vehicles w/ Dual Fuel Tanks Supports EFI Systems up to 400 HP Ensures Fuel Is Returned to Source Tank Sold as a Kit