Marvel mystery oil® lubricates the entire fuel system-fuel pumps, fuel injectors or carburetors and the top portion of the cylinders. Using Marvel mystery oil in your fuel extends the life of these vital components by providing them with lubrication that fuel alone does not provide. Marvel reduces and prevents varnish and gum build-up, two key contributors to robbing engine performance. Spark plug life is also extended by using Marvel in your fuel. It creates a cleaner burning cylinder environment that reduces carbon build-up on spark plugs resulting in better firing plugs that increase performance and durability. In addition, Marvel mystery oil® improves fuel mileage by reducing internal friction in the engine.
Helps improve fuel economy
Cleans and lubricates fuel injectors and carburetors
Prevents valve sticking and clatter
No other products on the market have such unique features