The Speedmaster PCE676.1001 is a dedicated shim and spring kit designed for GM Powerglide transmissions, providing the replacement or upgrade components needed to properly set clutch hub clearances and maintain consistent spring tension within the clutch pack assembly. This kit is an ideal solution for builders and rebuilders looking to restore proper function or improve the durability and shift feel of their Powerglide transmission.
Engineered to work with the 10-clutch hub configuration of the GM Powerglide, this kit helps ensure accurate clutch pack preload and smooth, reliable power transfer. Whether you are performing a routine rebuild or a performance-oriented build, having the correct shims and springs on hand is essential to achieving proper transmission operation and longevity.
