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 in NASCAR's professional categories, motocross, and road racing, where top engineers try to run the lightest fluid possible that maintains its viscosity and stability. Many motocross tuners use it as a direct replacement in the front forks on Showa and Kayaba forks, with or without revalving. Also used in road racing and circle track as a direct replacement for Penske's 2.5wt Silkolene fluid. Red Line Suspension Fluids: