SF000016 Seafoam Motor Tune-Up is a versatile engine treatment designed to clean and maintain your vehicle's fuel system. This 16 oz can effectively removes carbon deposits, varnish, and moisture from fuel injectors and carburetors, enhancing engine performance and fuel efficiency. Ideal for use in gasoline and diesel engines, Seafoam helps prevent engine knocking and improves overall operation. Its easy-to-use formula can be added directly to the fuel tank or used in oil systems, making it a must-have for any car enthusiast or mechanic.