Lubegard 62005 M-V ATF Supplement, 10 oz. Enhances DEXRON III/ MERCON ATF to perform like a MERCON V ATF, Eliminating the need for MERCON V ATF Prevents overheating, reducing elevated operating temperatures up to 40 degrees Farenheit, Dramatically reduces friction and tightens the shift cycle without loosing the friction modification at lockup Eliminates transmission fluid foaming and oxidation, Optimizes total transmission performance, Extends fluid life Eliminates clutch chatter and torque converter shudder, Eliminates objectionable noises during shifts, Softens and modifies harsh shifts Keeps valves and governors free and frees stuck valves in valve bodies, Superior seal compatibility and conditioning, Only protectant that increases the fluids ability to transfer heat