Fuel Magic Super Fuel Saver super concentrated fuel additive - 1 Year's Supply A year's supply of Fuel Magic. Super Concentrated formula in easy to use squirt bottles. Increases power and removes combustion chamber deposits for top performance. Keep combustion chambers clean in 4-stroke and 2-stroke engines. Reduces fuel system corrosion and fuel breakdown during off season storage of boats/seasonal engines Saves many times its cost in fuel savings alone.