Plug & Contact Cleaner - 20 oz. net wt. - AerosolCaracteristicas: Quickly cleans and degreases all metal and aluminum surfaces, fouled spark plugs, carburetors and other small parts Nonconductor formula for use on electrical systems, electric switches, connections, motors, starters and alternators Completely cuts through and removes carbon, oil, dirt, grease, tar and adhesives without leaving a residue Will not damage engine parts, carburetors, brake parts, ignition parts, spark plugs or engine