TCI Automotive 321000 TH350 Full Manual Valve Body Forward Shift Pattern

The TCI Automotive 321000 is a high-performance full manual valve body designed specifically for Chevrolet TH350 automatic transmissions. This competition-grade valve body is engineered for maximum performance and quicker elapsed times in racing applications, making it an ideal choice for drag racing, bracket cars, monster trucks, and off-road competition vehicles.

Key Features:

• Full manual operation with forward shift pattern for precise gear control
• Retains 2nd gear engine braking for enhanced control and performance
• Allows quicker shift timing and higher line pressures than standard automatic transmissions
• Reduces clutch slippage under high loads for maximum power transfer
• Cast iron construction for durability in demanding racing conditions
• Excellent choice for applications where a transbrake is not legal or desired

By controlling the valve body manually, this unit enables faster shift timing and the ability to run higher line pressures, which makes it more difficult for clutches to slip under high loads. The result is more power delivered to the ground and improved performance at the track. Designed, built, and tested by hardcore racers, TCI transmission products deliver race-winning performance mile after grueling mile.