Upgrade your TH400 Turbo 400 transmission with the Speedmaster PCE623.1027 Billet Aluminum Direct Drum, Piston, and X-Large Sprag kit. Machined from billet aluminum, the direct drum offers improved strength and durability over stock components, making it a solid choice for performance and high-horsepower TH400 applications.
This kit includes the direct drum, piston, and an X-Large sprag for enhanced holding capacity and reliability under demanding conditions. Designed as a direct replacement for TH400 Turbo 400 transmissions, this assembly is ideal for enthusiasts looking to build a stronger, more dependable automatic transmission.