It stabilizes fuel and prevents varnish & gum formation in ethanol and gasoline, Designed to clean injectors, valve seats, combustion chambers and other critical fuel components, Contains effective additives to prevent rust and corrosion associated with the use of ethanol fuels, Combats deposits and protects your engine oil lubricants from the harmful effects of alcohol combustion, This ethanol fuel conditioner additive is blended with stabilizers to specifically address issues associated with using ethanol based fuels.