Holley Adjustable Fuel Injection Regulator # HO512-505 Rate_12 Basic Operating RPM Range:1

Basic Operating RPM Range:1

351C or 351M

Chev 396 427 454 Big Block Edelbrock Performer Intake Manifold # ED2161

Monitor your fuel pressure while you're driving with the use of Holley fuel pressure gauge fittings

Holley Adjustable Fuel Injection Regulator # HO512-505 Rate_12 Basic Operating RPM Range:1Holley Adjustable Fuel Injection Regulator # HO512 505 Fuel Pressure Regulator, Aluminum, 20 75 psi, Universal, Each These adjustable Holley fuel injection regulators are capable of providing all of the fuel pressure that your high performance, fuel injected vehicle will require. They utilize a special wave spring to maintain constant fuel pressure. Pressure Range (psi): 20 75 Regulator Style: Return Regulator Location: Inline Boost Vacuum Reference