Lucas Upper Cylinder Lubricant cleans and lubricates the entire fuel system while extending the life of pumps, valves, rings and injectors. Works with gasoline and diesel engines to improve fuel efficiency and reduce emissions.

• Upper cylinder lubricant and injector cleaner
• Cleans and lubricates the entire fuel system
• Increases the life of pumps, valves, rings and injectors
• Solves low sulphur diesel fuel problems
• Burns fuel more efficiently for greater MPG
• Reduces harmful emissions
• Use every fill-up to maintain peak performance
• Quart size