10.0 GPM Brushless Fuel Pump with True Variable Speed Controller. Ground-Shaking Performance ? Advanced Technology. Fuel Injected Engines: up to 6,900 FWHP on GAS ? naturally aspirated, up to 4,900 FWHP on GAS ? forced air induction, up to 4,830 FWHP on E85 ? naturally aspirated, up to 3,430 FWHP on E85 ? forced air induction. E85 Compatible, reduce max FWHP by 30%. Lighter than the traditional external mount pumps. Reduced current draw at higher, EFI pressures. Extended service life in methanol and ethanol. New integral spur-gear pumping mechanism.