Fuel performance enhancer designed to prevent and cure all problems caused by ethanol due to ethanolÆs corrosivity and high affinity for water Fuel Enhancer prevents water and ethanol from reaching critical components and can help prevent corrosion where water has previously been introduced The advanced formulation conditions and stabilizes fuel against oxidation and extends fuel life The world class additive system prevents varnish, deposits and gum and can help clean up a fuel system that already contains these unwanted contaminants For use in all 2 and 4 stroke engines 1 oz. treats up to 5 gallons of fuel. FUEL ENHANCER 32OZ 12PK