This Lucas Oil Upper Cylinder Lubricant Cleaner Fuel Additive, 5.25 Oz. (10020) is a fuel additive that cleans and lubricates the upper cylinder area, restoring lost power and fuel efficiency. Designed for all types of gasoline engines, this Lucas Oil product improves combustion and reduces emissions, making it an eco-friendly choice. The brand name Lucas is renowned for its quality, and this additive is no exception. Say goodbye to engine knock, pinging, and run-on problems with this top-of-the-line fuel treatment
