The Airdog R4SPBF358 Raptor 4G 150 Gph Fuel Pump is a high-performance fuel pump that is designed to replace the factory high-pressure pump. This pump features 4G Technology and a Gerotor Pump Design for superior performance. It also has a built-in adjustable regulator (preset at 55 PSI) for optimal fuel pressure. This pump comes with a lifetime limited express warranty for peace of mind.