Provide effective protection for engine as well as repair the torn engine. Resume motive force performance. Reduce oil consumption and tail gas discharge. Avoid "draw jaw" and "cook tails" and prolong performance life of the engine. Prevent the oxidization of vehicle oil under heavy loading of extreme temperatures. Increase the quality of vehicle oil, and improve the function of lubrication. Neutralize acid-forming elements so as to avoid corrosion among the components and parts. Effectively remove dirt, grease and other contaminations remained on the interior surface of engine with perfect resolving efficiency. Reduce wear and tear as well as lower the noise due to starting up the engine. As a result of these performances above, the product has become the primary choice of many professional engineers and manufacturers of professional racing vehicles.