Quickstor Fuel System Treatment and Stabilizer 8M0047922 is for use in all 2 and 4cycle carbureted and fuelinjected gasoline engines including cars, trucks, motorcycles, ATVs, snowmobiles, marine engines, lawn mowers, chain saws, string trimmers and snow blowers. Safe for catalyzed engines. Add to fuel before long-term boat storage. Stabilizes fuel for up to 1 year. One ounce treats 5 gallons. Prevents regular and ethanol blended fuel from breaking down and oxidizing. Prevents fuel system corrosion. Prevents gum and varnish from forming in the fuel and then settling in fuel lines, tanks, carburetor and injectors.Add to fuel before long-term boat storagePrevents regular and ethanol blended fuel from breaking down and oxidizing.Stabilizes fuel for up to two years. One ounce treats five gallons.Prevents fuel system corrosion.Prevents gum and varnish from forming in the fuel and then settling in fuel lines, tanks, carburetor and injectors.Additional DetailsWARNING -California Proposition 65Cancer and Reproductive Harm -www.P65Warnings.ca.gov