Gas Fuel Tank Petcock For Honda CM400A 400 Hondamatic 1979 1980 1981 16950-447-015 16x1.5mm Aftermarket Petcock Assembly, Please use images as referance Package Includes: Petcock switch, Fuel filter pipe with screens, O-ring seal Petcock positions:ON / RES / OFF Threading 16 x 1.5mm. 22mm Hex nut Free domestic shipping.