Bring out the best in your KYB ® Shocks by using the proper suspension fluid. Tested and engineered to have the necessary viscosity to ensure optimized performance in cold weather, treat your KYB Shocks with the very best suspension oil: the Winter High-Performance Suspension Fluid (For KYB Shocks). Given its synthetic, fade-free formula, this suspension fluid is specifically formulated for any vehicle riding on snow with Kayaba Shocks. Ultra-high VI shock oil.A synthetic, fade-free formula for servicing Kayaba Shocks ®. | Ultra high VI shock oil. | Engineered viscosity for optimized performance in cold weather conditions. | 1 QT / 0.946 L