TH400 High Performance Posi Shift 2 Stage Pac 1965-Up, Superior 20806-2.
Features / Benefits:
- Improves Your Automatic Transmission!
- Firms up 1-2 and 2-3 shifts
- Works with 6 or 7 check ball cases
- Improves overall performance
- The Posi Shift 2 Stage Pac’s are by far the easiest available way to step up transmission performance.
- Replaces worn out separator plate with the new special design plate.