66-'91 TH400 Ultimate Master Racing Overhaul Kit.

The Ultimate Master Racing Overhaul Kit from TCI contains the performance clutches, frictions and steels made from the strongest, most durable materials available for your transmission upgrade. Best suited for applications exceeding 450 HP, TCI Ultimate Master Racing Overhaul Kits also include extra-wide bands where applicable. These kits are perfect for extreme performance use as well as street and RV/heavy-duty towing vehicles that are under constant heavy stress.