BTE's new aluminum TH400 direct drum is the perfect combination of weight reduction and durability improvement. The unique steel and 7075-T6 aluminum construction reduces mass for improved performance and safety, but also retains its strength with a unique bolt in steel center. This steel center section improves over full aluminum designs by reducing seal and spline wear.

Features:

36 element Pro Mod Sprag and new steel outer race - used in applications up to 3000 HP
More than 25% lighter than steel drums
Drum includes new pressure plate and Alto clutch pack
7075-T6 Aluminum section features hard anodizing to improve strength
Unique bolt in center section provides longer service life than 100% aluminum drums