REGULATOR 4-1/2 to 9psi BILLET BYPASS idle bleed

Holley's HP Billet Fuel Pressure Regulator with idle bleed, are designed to help keep your fuel pressure set at the proper psi. Inline Return style, and adjustable from 4.5-9 psi, with 3/8 in. NPT female threads, for use with Gasoline and E85 Carbs, an electric pump and a return line. They are CNC-machined from 6061-T6 billet aluminum for strength and have a bright dip anodized black body with a clear dip anodized top for corrosion resistance. The regulators also include a 1/8 in. NPT female threaded gauge port and are sure to fit your standard for high-horsepower engines.