The Hyperfuel™ Hyper-340LPH In-line Billet Fuel Pumps are high-pressure, high-output and quiet operating. These fuel pumps are designed for fuel injected or carbureted street vehicle, race car, pro-touring, autocross, road racing, off-road and more. They are compatible with gasoline, diesel, ethanol and methanol fuels. For engines requiring up to 80 psi with 12V up to 18.5 volt charging systems. Supporting up to 850hp for EFI applications and up to 1000hp for carbureted applications. The #46088 or #46121 fuel filter are recommended on the inlet side of the pump and may be no finer than 100-micron with a surface area of 60 square inches or more. You can attach the filter directly to the fuel pump utilizing an -8 AN O-ring inlet.