Holley EFI billet bypass fuel pressure regulator kit is part of a complete line of fuel system products from Holley. The included 12-848 regulator features a billet aluminum body and a black finish for corrosion resistance. The regulator contains 10 AN in/out ports, a 8 AN return port, a 1/8" NPT gauge port, and a 1/8" NPT vacuum port for boost reference (1:1). In addition, 3 adapter fittings, a barbed fitting for the vacuum port, a mounting bracket, and all necessary hardware are also included for an easy installation.
