CRC 5081-12PK Clean-R-Carb Carburetor Cleaner - 20 oz., (Case of 12) Dissolves carburetor deposits Restores engine power and maximizes fuel economy Non-corrosive degreaser that cleans without disassembly Removes gum, varnish, lacquer, resin paraffin, metallic salts, oil, oxides, tar and gasoline stains Suitable for use on injectors, alloy heads, cylinders, pistons and linkages