Quicksilver Precision Care QuickStor Fuel Stabilizer QuickStor Fuel Stabilizer helps prevents regular and ethanol-blended fuel from breaking down and oxidizing. This fuel stabilizer also prevents gum and varnish from forming in the fuel and settling in fuel lines and tanks, carburetors and injectors. Prevent regular and ethanol-blended fuel from breaking-down and oxidizing Keeps fuel fresh for up to 2 years Prevents fuel system corrosion Prevent gum and varnish from forming in the fuel and settl