| GENERAL | MOTORS | TRANSMISSION | SPECS |
| Transmission | Overall Length | Mount Length | # of Splines |
| Powerglide | 27.75" | 20.75" | 27 |
| TH-350 | 27.75" | 20.75" | 27 |
| TH-400 | 28.37" | 26.87" | 32 |
| 200 4R | 27.75" | 26.81" | 27 |
| 700 R4/4L60 | 30.00" | 22.00" | 27 |
| 4L60E | 30.00" | 22.00" | 27 |
| 4L80E | 31.00" | 29.62" | 32 |
