FTI Performance TH400 Level 4.5 transmissions feature a full manual valve body equipped with a billet transbrake for the ultimate drag racer. They make an excellent choice for weekend bracket racers, high-powered street cars, and mud trucks. The transmissions have: a 34-element intermediate sprag, billet aluminum direct drum, 300M input shaft, performance clutches and steels, high-flow pump, race-prepped stock case, deep aluminum pan, billet forward clutch hub, heavy-duty intermediate retainer, and a 4-clutch intermediate pack.