QUICKSTOR 1GAL This is a genuine Mercury Marine factory OEM part, not aftermarket.It is for use in all 2‑ and 4‑cycle carbureted and fuel‑injected gasoline engines including cars, trucks, motorcycles, ATVs, snowmobiles, marine engines, lawn mowers, chain saws, string trimmers and snow blowers.Add to fuel before long-term boat storage.Prevents regular and ethanol blended fuel from breaking down and oxidizing.Stabilizes fuel for up to 2 years.1 oz. treats 5 gallons.Prevents gum and varnish from forming in the fuel and then settling in fuel lines, tanks, carburetor and injectors.Produced to meet Mercury Marine original equipment manufacturer specifications to maximize the performance of gasoline fueled engines.