Add shift quality performance and durability to any automatic transmission by simply pouring in TCI Max Shift (ATF) Transmission Fluid. Available in four unique blends that cover most domestic and import automatic transmissions Max Shift has been proven to resist viscosity breakdown in even the most demanding race and street applications. Created using ultra-pure base oils from top specialty refineries around the world and proprietary additive packages tailored for each specific usuage these fluids require absolutely no additives or treatments. The Max Shift line-up includes: Street Performance Race Circle Track and Full Synthetic which are all fully compatible with other brands of mineral and synthetic ATF. This means no flushing required; simply pour in Max Shift for an instant upgrade. Max Shift is simply the finest automatic transmission fluid on the market; after all that's what you expect from the 1 name in automatic transmission performance for over 40 years.