Keep engines maintained and operating efficiently by adding Marvel Mystery Oil to the working system. It works to clean and lubricate fuel injectors and carburetors for smoother starting. Marvel Mystery Oil 32 oz is designed to extend the longevity of high-friction and heat-exposed parts by producing a delicate blend to existing oils or fuel systems to help reduce friction and wear on key components. It s suitable for use in a variety of vehicle makes and models and can improve the miles per gallon on any automobile. This automotive fuel additive also reduces and prevents varnish gum and sludge build-up to keep moving parts clean and functioning at optimum capacity. This special formula also helps prevent against restrictive rust and corrosion. Marvel Mystery Oil supports peak performance and power output by providing vehicles with positive lubrication.