Inlet and outlet are -6 AN O-ring. Two inlets and one outlet. This is only for the red regulator (black regulator images are just for reference).
Universal 3/8" NPT EFI Fuel Injection Pressure Regulator Blue w/ Boost Ref Port
Nitrile Rubber (NBR) EFI Fuel Injection Line Hose Flexible braided Gas Line
Nitrile Rubber EFI Fuel Injection Line Braided Oil Gas Hose 1/4" 5/16" 3/8" 1/2"
4-50Ft Nitrile Rubber (NBR) EFI Fuel Injection Line Hose 1/4" 5/16" 3/8" 1/2"
SBC 1957-95 327 350 383 EFI Fuel Injection Port HiRise Intake Manifold Satin
