Holley Billet Bypass Style Fuel Pressure Regulator Kits are part of a complete line of fuel system products from Holley. The included 12-841 regulator features a billet aluminum body and a black finish for corrosion resistance and good looks. The regulator contains 3/8" NPT in/out ports, a 3/8" NPT return port, a 1/8" NPT gauge port. In addition, 3 adapter fittings, a barbed fitting for the vacuum port, a mounting bracket, and all necessary hardware are also included.
