Marvel Mystery Oil Diesel/Gasoline Fuel Treatment 32 oz

A unique blend of petroleum products formulated for use as an oil and fuel additive. Protect engine valves, stems and guides. It provides additional top-end lubrication. Reduce acid and sludge formation. Formulated with anti-wear additives, Marvel Mystery Oil improves motor oil performance. Prevents engine wear and provides for a cleaner running engine which results in improved gas mileage and lengthens spark plug life.