Universal 3/8" NPT EFI Fuel Injection Pressure Regulator Blue w/ Boost Ref Port

Universal 3/8" NPT EFI Fuel Injection Pressure Regulator Red w/ Boost Ref Port

Universal 3/8" NPT EFI Fuel Injection Pressure Regulator Black w/ Boost Ref Port

Universal - 10 AN EFI Fuel Pressure Regulator Red

Edelbrock Fuel Pressure Regulator 1789; Low Pressure 1-4 psi, Chrome, 3/8 NPT

Mallory 4207 Adjustable Fuel Pressure Regulator 3/8" NPT Threads w/ Bracket USED

Black Adjustable Fuel Pressure Regulator, 5-9 PSI, 3/8" NPT Inlet & Outlet