Where Performance Meets Precision.

The Performance TH400 Kit is Now Available!

When every pass counts, the TH400 has earned its reputation as a workhorse in racing, and this kit is designed to keep it that way. Built for hard launches, high-RPM shifts, and repeated abuse down the strip, it delivers the components needed for consistent, repeatable performance, run after run.
From bracket cars to full-blown race builds, this kit is made to handle the shock of launch, the heat of competition, and the demand for reliability when it matters most.