Silicone Diff Fluid, 15,000 cSt Factory Team Silicone Fluids are made of the highest quality materials and are laboratory-tested, resulting in a high-performance blend of premium silicone that provides more consistent differential action as well as longevity. New flip-top capSticker on lid to quickly find the fluid you are looking forThese new fluids allow for finer tuning, providing more options than beforeFactory Team Silicone Fluids are made in the USA exclusively for Team Associated by Lucas Oil Products, Inc. for consistent viscosity