Number one tool used by professionals and the original technical developer of the conversion formula, LUBEGARD Highly Friction Modified-ATF Supplement converts DEXRON II,III/MERCON ATF into a highly friction modified fluid. And at the same time extends your fluid life and reduces your transmission wear, saving you money and the need to stock multiple OEM fluids.

LUBEGARD HFM-ATF SUPPLEMENT is the same product as the OEM endorsed LUBEGARD ATF PROTECTANT but with added friction modifiers.