Home / Fuel Systems / Fuel System Miscellaneous / Cap, Fuel, Metal Cap, Fuel, Metal$7.50 Cap, Fuel, Metal quantity Add to cart SKU: FU710 Category: Fuel System Miscellaneous Description Description 1/4 turn bayonet style fuel cap. All metal is bright zinc plated. Cap is self venting and can be the vent for the fuel tank. Fits 2-1/4″ dia. metal neck. Primarily used on the A-T laminated glass tanks. Will not “thread” onto any of our plastic tanks. Can be used on many applications.