CarBole Universal 12V Heavy Duty Electric Fuel Pump Metal Solid Petrol 12 Volts (Model:HEP-02A) Running on 12v, Pressure is 2.5 to 4 PSI; Flow Rate 30 GPH; Inlet / Outlet Size 3/8" Easy to fit and connect.(2 bolt fixing , 2 wire design.) 30 GPH; Shut-off Pressure: 2.5 - 4 PSI Great for use in machinery, boat, tractor, tractor, truck, car or just for sucking fuel Material: All Copper Wire and Copper Clad Aluminum