Can be used in all petrol engines to help remove all gums, varnish & moisture from the fuel system & carburetor. Removes carbon deposits in the upper cylinder area & maintains PCV valve efficiency. It frees sticky valves & rings & stabilizes compression’s. Lubricates the upper cylinder area. Is a high strength, concentrated cleaner that can help quickly remove power robbing deposits. If used regularly, Fuel Injector Cleaner will help improve performance, fuel economy and reduce emissions. Also helps eliminate tough starts, rough idling and increases power and acceleration. It also cleans the entire fuel delivery system.