SPD Hose kit AN6 Nylon PTFE E85 / Bensin Hose package to connect a fuel system using a standard fuel tank or a fuel cell with a supply and a return. feed -> fuel filter -> Fuelrail -> Fuel pressure regulator -> return Components : 1x AN6 180 degree AN fitting PTFE 5x AN6 straight AN fitting PTFE 10 meters AN6 Nylon-wrapped AN hose PTFE Against the fuel tank's supply and return, you use suitable couplings that come from the fuel pump hanger. NOTE : If you should have more power than about 700hp in the future, choose AN8 parts instead.