Micro Electric Fuel Pump 4 7 PSI 35 GPH Ethanol and Methanol For Carburetor Mr GasketGravity fed type pump with simple two wire design. Works on 12 volt negative ground systems only. Includes fittings and mounting hardware along with a 100 micron in line filter and easy to follow DIY instructions. Pumps require approximately one amp average draw at maximum delivery. At 4 7 psi (pounds per square inch), it pumps 35 gph (gallons per hour) of methanol, E8 Inch, or race Gas. Universal design for most 4, 6 and 8 Inchcylinder carburetor