GM TH400 Billet Aluminum Center Support W/ Billet Oversized Intermediate Piston performance and great value make

performance and great value make these hardened input shafts an essential component for anyone looking to raise their transmission to the next level

The Speedmaster high output technology coil produces up to 70% more spark energy than stock coils with outstanding reliability

They include all hardware for quick and easy installation

While the 2

GM TH400 Billet Aluminum Center Support W/ Billet Oversized Intermediate Piston performance and great value makeIf your TH400 transmission is being used in high power applications, you'll need to look at every area of the transmission to boost your performance. It is highly recommended for competition applications.