Holley In-Line Fuel Pressure Regulator - 4-9 psi - 10 AN Female O-Ring Inlet - 10 AN Female O-Ring Outlet - 10 AN Female O-Ring Return - 2 Port - Double Adjustable - E85 / Gas / Methanol RS00500308 HP and Terminator X EFI

HP and Terminator X EFI installations with only 4 inputs and 4 outputs can now add more functionality to their EFI system

Axle Housing Support Truss

Fuel Inlet: Dual

500 F direct temperatures

11-12 / 13-14 / 16-18 / 20-24 TPI

Holley In-Line Fuel Pressure Regulator - 4-9 psi - 10 AN Female O-Ring Inlet - 10 AN Female O-Ring Outlet - 10 AN Female O-Ring Return - 2 Port - Double Adjustable - E85 / Gas / Methanol RS00500308 HP and Terminator X EFIHolley's new double adjustable fuel pressure regulators are designed for belt or cable driven pumps where fuel flow changes with engine rpm. These regulators are compatible with E85 and alcohol applications. Made from billet aluminum, these regulators are offered in both 2 Port and 4 Port models to complete your fuel system requirements. The idle adjustment design is strategically placed so that none of the ports are blocked like other designs. These