| PART # | MAKE | ENGINE | MATERIAL | MAIN SEAL | BALANCE | SNOUT | STROKE | LENGTH | JOURNAL | WEIGHT | TECH NOTES |
| 4-400-3750-5700-2 | Chevy | 400 | Forged 4340 Steel | 2-Piece | Internal | Standard | 3.750 | 5.700 | 2.100 | 48 | Internal Balance |
| 4-400-3800-6000-2-18 | Chevy | 400 | Forged 4340 Steel | 2-Piece | Internal | Standard | 3.800 | 6.000 | 1.888 | 49 | Internal Balance |
| 4-400-4000-6000-2 | Chevy | 400 | Forged 4340 Steel | 2-Piece | Internal | Standard | 4.000 | 6.000 | 2.100 | 46 | Internal Balance |