Engine flush adopts efficient cleaning formula which can rapidly and effectively clean the oil sludge,carbon deposit,jelly and oxydate in crankcase,piston,liner ring and oil circuit,eliminating the need of disassembling the engine.after using the product,the piston and liner ring will get more flexible and the lubrication system will get clean and smooth.the product can effectively enhance the operating efficiency of engine,reduce failures,increase horsepower and prolong the service life of engine.