Motor oils we deal in are included with various additives, such as detergents, dispersants, multi-grade oils and anti-wear additives. Some of them are also included with viscosity index improvers. It is used for the lubrication of internal combustion engines. The main purpose of the oil is to reduce wear and friction on moving parts. Motor oils can also allow for the cleaning of engine and neutralize the acids in an effective way. The oils are required to improve the sealing of piston rings. Also, it can cool the engine and keep the heat at bay.