This high pressure and high flow Fuel Pump features a roller vane pump mechanism which is extremely resistant to clogging and jamming. The pump mounts in-line (out of the fuel tank) with two supplied cushioned clamps for a quick and sturdy installation. The nipple inlet and outlet are 3/8 in.. The wire terminals feature brass studs for secure connections. Made in the USA, the pump is ideal for use as a booster for nitrous oxide applications, or as a stand alone pump for multi-port EFI systems on engines up to approximately 525 HP. Capable of 48 GPH at 43 PSI.