QUICKSILVER STORAGE SEAL FORMS A PROTECTIVE BARRIER THAT PREVENTS RUST ON INTERNAL METAL SURFACES. THE CYLINDERS ARE ALSO LUBRICATED TO PREVENT DAMAGE TO THE CYLINDER OR PISTON WHEN STARTING THE ENGINE AFTER STORAGE. USE IN ALL 2T AND 4T GASOLINE ENGINES, INCLUDING CARS, TRUCKS, MOTORCYCLES, ATVS, SNOWMOBILES, MARINE ENGINES, LAWN MOWERS, CHAINSAWS, TRIMMERS AND SNOW BLOWERS. SAFE FOR CATALYTIC CONVERTER ENGINES.