Since 1979, Red Line Synthetic Oil Corporation has grown to manufacture more than 100 quality products, including motor oils, gear oils, assembly lubes, fuel additives, and its popular WaterWetter cooling additive for the automotive, motorcycle, marine, and industrial markets. Based in Benicia, California, Red Line has a reputation with racers and enthusiasts alike for creating products that perform and protect better than any on the market, regardless of price. Provides the least viscosity change of any commercial suspension fluid and will operate unchanged longer than other suspension fluids. Often used by NASCAR and ARCA teams in Super Speedway suspension setups. Superior shear stability over most popular shock oils. Allows use of lower viscosities. Far less shock fade, provides lower operating temps for same viscosity when compared to conventional fluids.