LIQUI MOLY 1580 is a high-performance engine oil additive designed to improve the overall health and efficiency of your engine. It works by reducing friction between moving parts, which leads to less wear and tear over time. This additive helps to maintain engine cleanliness by preventing the formation of deposits and sludge. Regular use can result in improved fuel economy and a quieter, smoother running engine. Suitable for all types of gasoline and diesel engines with or without particulate filters. Compatible with all commercially available engine oils.