Hydraulic Lifter Additives contains a high-performance package of effective additives to Improves the lubrication properties of the oil, it works during operation for improved high-pressure properties as well as wear and tear protection of all types of engine oils, the optimized lubrication will eliminate the disturbing rattle sounds and reduction of wear and tear, it can be used in all diesel and gasoline engines, and cleans oil holes and ducts in the oil circuit.