... Rinses the Colloid, Carbon Residues and Greasy Sludge 2.Improves Engine Operating 3. Reduce Oil Consumption Feature: This product ... to the crankcase, pistons, rings, oil tract, making lubrication system clean and smooth, improving efficiency of engine operating, ... the elasticity of sealing rubber, and reduce oil consumption to prolong the lifespan of engine and oil. Application:EngineItem NO.: EC ...