Turbosmart TS-0401-1006 FPR 2000 Black -8 AN Fuel Pressure Regulator Made from billet aluminum it is a high performance fuel pressure regulator (2) AN -8 inlet ports, (1) AN -8 outlet port, 30-70 pascals per square inch base pressure adjustments and 1:1 ratio 1 to 1 rising rate fuel pressure in blow off valve above the intake manifold pressure Ideal for race cars with up to 2000 horsepower fuel systems Supplied with (1) AN -3 vacuum source adapter, mounting bracket and gauge port blank