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. Popular as a direct, yet more stable, replacement for most 7wt O.E. suspension fluids. Used by motorcycle technicians as a most stable replacement in Showa and Kayaba front forks that have not been revalved. Often used in Sprint Car racing, as well as in CORR and SCORE off-road competition. Superior shear stability over most popular shock oils. Allows use of lower viscosities.