Ultra-High Flow EFI Regulator, adjustable from 40-100 PSI. Engineered for our Belt-Drive and Hex-Drive Fuel Pumps, the Belt Drive EFI Regulator is suitable for engines making up to 4,000 HP on gasoline and is compatible with gasoline and methanol.

• Perfect for any mechanically driven EFI fuel pump developing over 200 GPH at EFI pressure.

• Base pressure adjustable from 40-100 PSI.
  

• References Vacuum/Boost on a 1:1 ratio. Includes two boost line adapters, one barbed for rubber hose, the other for AN-04 braided line. (Prevents blow-off in high boost applications)
  

• This product is not legal for sale or use on emission-controlled vehicles except when used as a direct replacement part matching OEM specifications.
  

• Ports available for nitrous fuel supply, pressure gauges and transducers.