The Hyperfuel™ Hyper-255LPH 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 18.5V charging systems. Supporting up to 650hp for EFI applications and up to 750hp for carbureted applications. The #46088 or #46121 fuel filters 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.