Holley fuel pressure regulator .. Die-cast aluminum regulator adjusts from 4.5 to 9 psi. Least restrictive, highest flowing production regulator with one 1/2" NPT inlet port and two 1/2" NPT outlet ports. Mounting hardware included. Regulates From 4.5-9 PSI One 1/2 in. NPT Inlet Two 1/2 in. NPT Outlet Ports .437 in. Restriction Incl. Mounting Hardware And AN Style Fittings Alcohol Compatible
