Torco SR-1 20w50 Synthetic Racing Oil Bottle - 1 liter, (Case of 12) is a selective cross blend of highly advanced 100 percent synthetic base oils and proprietary additives aimed at power, fuel efficiency, and engine protection. The SR-1's performance is not compromised by standardized additive technology or by our competitors' price points. it is simply a purpose built, specialty formula designed to exceed the demands of high performance Japanese, European and US sports cars. It is a combination of Generation-2 MPZ and low friction base oils reduce frictional losses to increase horsepower and torque by as much as 3 percent. It has a premium polymer and additive system that controls viscosity for long term durability, maximum engine protection and eliminate engine deposits. Torco SR-1 is the ultimate in high performance synthetic motor oil technology. No other synthetic motor oil meets the performance and protection benefits of SR-1. The SAE 5W-20 exceeds: API SM/CF, ILSAC GF-4. It is recommended for stock, tuned or modified street, light truck and sport vehicles where an SAE 5W-20 is specified. It is for Ford, Honda and any other vehicles that specifies an SAE 0W-20 or 5W-20 grade. It provides exceptional engine efficiency and improved fuel economy compared to higher viscosity oils.