SAE: 20W50, SAE: 15W40, API: SM/CF Fossil fully synthetic multi grade multipurpose engine oil is specially formulated with full synthetic base oil and high quality additives for ultimate engine protection and performance. It is used for various kinds of gasoline engines and diesel engines like passenger and racing cars, light trucks and all makes of American, European and Japanese cars. It gives ultimate engine protection in all driving conditions and low viscosity, rapid oil flow, low friction effectively contributes towards reducing fuel consumption. Fully synthetic oil can be used for all naturally aspirated, fuel injected, turbo charged and multivalve passenger car engines.