Holley 12-803bp Fuel Pressure Regulator By-pass Style

HOLLEY 12-803BP FUEL PRESSURE REGULATOR BY-PASS STYLE. Two Port 4.5 – 9 PSI Bypass Style, Chrome. Fuel pressure Regulators are used to adjust for fuel pressure requirements of various carburetors. Too much fuel pressure for a given needle and seat assembly may cause flooding or driveability problems. 3/8 NPT Ports; Allows Adjustment of Fuel Pressure […]