Levins Auto Supply Llc MM12R 16 Oz Mystery Oil

Add to gasoline for better gas mileage. Lubricates like lead. Prevents sticking rings and valves. Improves compression. Reduces cylinder wear. Will not harm catalytic converters. Also add to crankcase to extend life of oil. Extra protection in hot and cold weather. Add 8 oz. per tank of gas or 20% of total crankcase capacity at oil changes. Perfect for marine engines.

Marvel Mystery Oil Gas Treatment

• Helps improve fuel economy
• Cleans and lubricates fuel injectors and carburetors
• Reduces and prevents varnish and gum build-up
• Prevents valve sticking and clatter
• Prevents oil breakdown caused by extreme temperatures