This is the AirDog I FP-100-4G fuel system for the 2008-2010 Ford Powerstroke 6.4L. This diesel lift pump replaces your factory low pressure frame rail mounted fuel pump. This system mounts to the frame rail using the supplied sandwich plate mounting system. Fuel is picked up through the factory suction line, in the fuel module, to feed the AirDog. The pressure side connects directly to the factory injection pump feed line on the frame. The AirDog Air/Vapor return is sent back to the tank through a filler neck tee. This is a 100GPH (Gallon Per Hour) lift pump system. Check out our installation manual for a list of parts that are included with this kit.