Transmission Length Measurements
| TRANSMISSION | CASE TO EXT. HOUSING | OVER ALL LENGTH | BELLHOUSING TO MOUNT |
| Powerglide (short tail) | 15 1/4" | 24 1/4" | 19 1/2" |
| Powerglide (long tail) | 15 1/4" | 27 1/2" | 20 1/2" |
| THM200, 200C | N/A | 27 5/8" | 20 1/8" |
| THM 250 | 21 5/8" | 27 5/8" | 20 3/8" |
| THM 350, 350C (short tail) | 21 5/8" | 27 5/8" | 20 3/8" |
| THM 350 (long tail) | 21 5/8" | 30 5/8" | 20 3/8" |
| THM400 (short tail) | 24 3/8" | 28 1/4" | 26 3/4" |
| THM400 (long tail) | 24 3/8" | 34" | 28" |
| THM 200-4R | N/A | 27 3/4" | 26 7/8" |
| THM 700R4, 4L60, 4L60E | 23 3/8" | 30 3/4" | 22 3/8" |
| THM 4L80E | 26 1/16" | 32 3/16" | 30 5/16" |
