GM Powerglide 10-Clutch Billet Steel Clutch Hub Fits OE Powerglide Clutch Drum Speedmaster nuts are made from

Speedmaster nuts are made from aerospace-quality chromoly steel with hexagonal style heads

If your TH400 transmission is being used in high power applications

Now you don't have to waste your time searching at swap meets or cleaning and painting less-than-desirable old brackets

Speedmaster direct drums are designed to prevent slippage and are able to withstand strong shifts on high horsepower applications

Speedmaster radiator overflow tanks are both functional and stunning to look at

GM Powerglide 10-Clutch Billet Steel Clutch Hub Fits OE Powerglide Clutch Drum Speedmaster nuts are made fromUpgrade your transmission with the Speedmaster heavy duty forward clutch hub, a premium performance component designed for demanding racing and high horsepower applications. Precision CNC machined from high grade billet steel, this clutch hub delivers maximum durability and reliability under extreme torque and RPM conditions.