Holley 12-803BP Carbureted Bypass Fuel Pressure Regulator

Add to Favorite Sellers. Holley 12-803BP Carbureted Bypass Fuel Pressure Regulator. Street/Strip Carbureted Applications Two Port Adjustable from 4.5 to 9 PSI; Holley fuel pressure regulators are designed to precisely control the fuel pressure from the fuel pump to the carburetor. Too much fuel pressure for a given needle and seat assembly can overload the […]

12-846KIT Holley EFI Billet Bypass Fuel Pressure Regulator Kit

Add to Favorite Sellers. 12-846KIT Holley EFI Billet Bypass Fuel Pressure Regulator Kit. 15-60 Psi – Fittings and Gauge Included; Holley EFI Billet Bypass Style Fuel Pressure Regulator Kits are part of a complete line of fuel system products from Holley. The included 12-846 regulator features a billet aluminum body and a black finish for […]