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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
They are ground and thread-rolled after heat treatment to ensure the exacting tolerances that Speedmaster requires for all of their fasteners
They include all hardware for quick and easy installation
and forged flat-top pistons matched to your bore size
performance and great value make these hardened input shafts an essential component for anyone looking to raise their transmission to the next level
Nitrous/injector bosses
GM TH400 Billet Aluminum Center Support W/ Billet Oversized Intermediate Piston They are ground and thread-rolledIf 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.
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