The Raptor lift pump for Cummins diesels by pure flow technologies. The Raptor for your Dodge Cummins is a custom manufactured 100 GPH gerotor pump capable of pressures up to 50 PSI and designed for tough applications. All Raptor pumps feature a built in user adjustable fuel pressure Regulator with a range of 5 to 50 PSI. Pressure adjustments are now as simple as a twist of the screw as an added bonus the Raptor requires no "return to tank" line thanks to its internal bypass design.