The R&D Team at Dynamic have delivered on a much asked for product. A Full Manual, Forward Pattern TH-400 Valve body.
Many other companies offer a manual valve body for the 400, but most are reverse pattern. Meaning that instead of P-R-N-D-2-1, you would have P-R-N-1-2-D. This would require the purchase and install of a reverse pattern racing shifter.
Our unit utliizes the pre-1987 cast iron GM casting. We use select cores that are completely disassembled and thermally cleaned before being machined and surfaced for proper seal.
This kit eliminates the governor and its tubes as well as removes all automatic shifting functions of the transmission.
It does however, retain engine braking when downshifting, so you can use it on the street.
-Modified Valve Body
-Case and Valve Body Gaskets
Installation requires the reuse of your stock Manual valve. If you do not have one, contact us to purchase a reconditioned one.Installation Instructions