Adjustable billet by-pass return style fuel pressure regulator 6AN Boost Reference - 1:1; Holley Billet Fuel Pressure Regulators are part of a complete line of fuel system products from Holley. They are precision machined from 6061-T6 billet aluminum for strength and durability. These regulators are adjustable from 4-65 psi and will handle both carbureted and EFI applications. A second pressure spring is included allowing you to increase the fuel pressure range up to 65 psi for EFI systems. They are offered with two port sizes, 3/8 in. NPT or 6AN to adapt to your new or existing fuel lines.
This product would be ideal for engine builders and enthusiasts seeking a customizable and precise regulator for their high-performance, carburetor-equipped engines.
