The ultimate choice for weight reduction and strength for your TH400 transmission.
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.
Fill out our custom part application with information about your vehicle to get exactly what you need.