Marvel Mystery Oil MM12 R 16-oz. Marvel Mystery Multi-Oil Treatment

Key Features

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

Safe for catalytic converters and oxygen sensors. added to gas it cleans and lubricates fuel injectors and carburetors, improves gasoline mileage and extends spark plug life. reduces and prevents varnish and gum build-up. added to oil it prevents valve sticking and clatter, fortifies properties of engine oil, prevents breakdown caused by extreme temperatures, reduces and prevents acid and sludge formation and promotes easier cold weather starts.