MSD High Pressure Electric Fuel Pump. This pump can be mounted on the frame and is rated at 43 GPH and 40 PSI or 39 GPH at 80 PSI. It features a heavy duty 12v electric motor that pulls 5.4 amps. This pump is ideal for use as a booster for nitrous applications or as a stand alone pump for multi-port EFI systems on engines up to approximately 500 HP. Pump features a roller vane mechanism that is extremely resistant to clogging and jamming. It has 3/8" hose barb inlet and 5/16" hose barb outlet. Made in U.S.A.