The Speedmaster PCE598.1002 is an aluminum tailshaft housing designed to fit GM Turbo 400 (TH400) and Powerglide transmissions. Constructed from aluminum for reduced weight compared to stock cast-iron units, this housing incorporates a roller bearing design for smooth, dependable driveshaft support and improved durability under demanding conditions.
This tailshaft housing is a straightforward, performance-oriented replacement or upgrade option for builders and enthusiasts working with TH400 or Powerglide-equipped GM vehicles. Its aluminum construction helps keep overall drivetrain weight down, making it a popular choice for street performance and racing applications where every pound counts.