Quick view P2M P2M V2.5 Large Fuel Pressure Regulator W/Gauge P2M V2.5 Large Fuel Pressure Regulator W/Gauge P2M version 2.5 adjustable fuel pressure regulator is one step beyond the normal unit we carry. The large FPR was designed with a larger casing body to sustain a larger volume of fuel, can... $108.00 Add to Cart