AEM Electronics High Capacity Universal Adjustable Fuel Pressure Regulators are designed specifically to maintain stable fuel flow for high-performance, high-boost EFI engines, whilst giving the ability to set a custom base pressure for your given application.Universal fuel pressure regulator adapts to virtually any vehicleLonger spring for a wider range of adjustment (40 - 130 PSI)Single large return orifice accommodates very high flow rate pumpsBoost dependent rising fuel pressure rate (1:1)Three -6AN (9/16" -18) ORB O-ring style inlet ports (2 inlets, 1 return)Simple adjustment set screw operationIntegrated 1/8" NPT gauge port5mm (3/16") vacuum hoseAlcohol fuel and race gas compatibleCNC-machined from 6061-T6 billet aluminiumAEM's High Capacity Universal Adjustable Fuel Pressure Regulators are the perfect solution for racers who need reliable fuel pressure in high-boost vehicles and race cars that require a large volume of fuel delivery. A longer spring provides for a wider range of