QUICKARE 32oz. 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.Maximize engine performance with all grades of gasolineRemoves varnish and gum deposits from fuel lines, tanks, carburetors, injectors, intake valves and spark plugsHelp control corrosion, gum and varnish build-up and phase separation associated with ethanol blended gasolineCan be used at every fuel tank fill-up ̶ 1 oz. treats 10 gallons of gasoline