Features: 1.The maximum pressure setting AN8 fuel oil tank is 4000psi/275bar, and the working temperature range is ?65 to 252. Including a lock nut and two oil resistant washers. 2.Constructed of lightweight 6061?T6 aircraft grade aluminum material for strong strength, with precise thread and 37 sealing angle for positive sealing at maximum operating pressures. 3.Anti?flake plugs block the fuel hose line and prevent dirt and debris from entering the external threaded hose fittings and adapters to have a longer service life. 4.The fuel tank fittings are compatible with gasoline and alcohol based fuels, black anodized for great looks and anti?corrosion. 5.Easy to install, just use an wrench(not inlcuded) to screw the accessories into the mating part until the pre?formed package is fully inserted into the mating packing seat. Tighten the fittings until snug. Specification: Item Type: Cell Bulkhead Fitting_x000D_ Material: Aluminium_x000D_ Size: 8AN to 8AN PackageList: 1 x_x000D_ _x000D_ Cell Bulkhead Fitting