AirDog 901-01-0351-QC Suction Tube Kit (Pure Flow/II) 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