TCI Maximizer TH400 Transmission Chevy K10 60-80 4x4 Non Lock-Up w/ 1-1/2” Output for NP203 T-Case

Transform your 1960-1980 Chevy K10’s transmission in one go! TCI’s Maximizer TH400 transmission follows a non lock-up design that’s compatible with NP203 transfer cases. The 4x4 unit is capable of handling up to 550 horsepower and delivers crisp, consistent shifts. Meaning, you get the strength needed for a high-performance build or oversized tires.

Features and Benefits:
- Automatic, non lock-up style TH400 transmission with 1-1/2” output
- Fits New Process 203 (NP203) transfer cases
- Designed for use with non lock-up converters
- Built to handle up to 450-550 horsepower
- Enhanced transmission performance with crisp shifts

Vehicle Fitment:
- 1960-1980 Chevy K10
*MUST be equipped with a NP203 transfer case

Additional Notes:
- Torque converter is not included.
- May require the use of adapter plates, flex plates, and aftermarket cross members if using LS-based engines or custom K10 builds.