|
Big Block Chevrolet Block Casting Numbers
CastingNumber  |
Year  |
CID  |
HP  |
MainBolts  |
Notes  |
3855961 |
66-67 |
396 |
325/360 |
|
2-Bolt main |
3855962 |
65-66 |
396 |
360/375 & 425 |
|
4-Bolt main |
3869942 |
66-67 |
427 |
390 & 425 |
|
2 & 4-Bolt main |
3873858 |
66 |
396 |
375 |
|
4-Bolt main |
3902406 |
67 |
396 |
325 350 & 375 |
|
2 & 4-Bolt main |
3904351 |
67 |
427 |
385-435 |
|
2 & 4-Bolt main |
3916321 |
68 |
427 |
385-435 |
|
2 & 4-Bolt main |
3916323 |
68 |
396 |
325 350 & 375 |
|
2 & 4-Bolt main |
3935439 |
68-69 |
427 |
335-435 |
|
2 & 4-Bolt main |
3935440 |
68-69 |
396 |
265-375 |
|
2 & 4-Bolt main |
3946052 |
69 |
427 |
430 |
|
4-Bolt main Aluminum ZL-1 |
3955270 |
69 |
427 |
335-435 |
|
2 & 4-Bolt main |
3955272 |
69 |
|
265-375 |
|
2 & 4-Bolt main |
3963512 |
69-71 |
|
335-450 |
|
2 & 4-Bolt main |
3963513 |
73-76 |
454 |
215 |
|
2-Bolt main |
3969854 |
69-72 |
|
240-360 |
|
2 & 4-Bolt main |
3999289 |
72-78 |
454 |
215-270 |
|
2-Bolt main |
3999290 |
72 |
402 |
240 |
|
2-Bolt main |
6272177 |
72 |
402 |
210 |
|
2 & 4-Bolt main |
14015445 |
75-87 |
454 |
210 & up |
|
2 & 4-Bolt main |
|