TCI Ultimate Pro Super Rebuild Kits are designed for applications exceeding 450 hp with GM 700R4 and 4L60E transmissions; and come complete with top-of-the-line nitrided steels and clutches, performance frictions and bands. Also included are gaskets, seal kit, pan gasket (reusable type), an adjustable modulator and a high volume filter and drain plug kit. The TCI Trans-Scat Valve Body Kit provides you with a firm shift for extreme street machines, RV/heavy-duty towing vehicles that are under constant heavy stress, or a street/strip shift for high performance vehicles.