The Original Universal ATF Protectant that Eliminates ATF Confusion and the need to stock multiple ATF's Dramatically reduces friction and wear on metal parts and internal components Will not alter the crucial sulfur balance in your transmission fluid, Prevents overheating, Will not harm yellow metals, Inhibits fluid oxidation and foaming Contains patented Synergol TMS Technology, a synthetic molecule that tightens the shift cycle without losing the friction modification at lockup, which eliminates shudder Extends fluid change intervals, Protects and restores seals for optimum performance, Conditions and restores seals and o-rings Does not contain any harmful components such as zinc ZDDP /ash, etc., like other competing products, Frees stuck valves and keeps them free, Ensures proper shifts