PART # | MAKE | ENGINE | MATERIAL | MAIN SEAL | BALANCE | SNOUT | STROKE | LENGTH | JOURNAL | WEIGHT | TECH NOTES |
77-400-4000-600-2 | Chevy | 400 | Forged 4340 Steel | 2-Piece | Internal | Big Block Chevy | 4.000 | 6.000 | 2.100 | 47 | Internal Balance |
77-400-3800-585-2-20 | Chevy | 400 | Forged 4340 Steel | 2-Piece | Internal | Big Block Chevy | 3.800 | 5.850 | 2.000 | 45 | Internal Balance |