|
Buick Small Block Casting Numbers
| Intake Manifold Cast # |
Year | Displacement |
| 1195360 | 61 | 215 2bbl |
| 1195360 | 63 | 215 4bbl |
| 1231381 | 70 | 350 2bbl |
| 1231924 | 70 | 350 4bbl |
| 1236402 | 71 | 350 2bbl |
| 1236839 | 71 | 350 4bbl |
| 1238578 | 72 | 350 2bbl* |
| 1238586 | 72 | 350 4bbl |
| 1238643 | 72-73 | 350 2bbl |
| 1238647 | 72-73 | 350 4bbl |
| 1242014 | 72-73 | 350 2bbl* |
| 1242015 | 72-73 | 350 4bbl* |
| 1245057 | 74 | 350 2bbl |
| 1245058 | 74 | 350 4bbl |
| 1246677 | 75 | 350 4bbl calif. |
| 1249166 | 75 | 350 2bbl |
| 1249168 | 75 | 350 4bbl |
| 1354966 | 62 | 215 2bbl |
| 1358504 | 64 | 300 2bbl |
| 1359122 | 64 | 300 4bbl alum. |
| 1367299 | 65 | 300 4bbl |
| 1377507 | 65-66 | 300 2bbl |
| 1378707 | 67 | 340 2bbl |
| 1379948 | 66-67 | 340 4bbl |
| 1382615 | 68 | 350 4bbl |
| 1382616 | 68 | 350 2bbl |
| 1386845 | 69 | 350 2bbl |
| 1387069 | 69 | 350 4bbl |
| 1396950 | 62 | 215 2bbl |
| Block Cast # | Year | Displacement |
| 1193724 | 61-63 | 215 |
| 1374871 | 64-67 | 300 |
| 1375161 | 64-67 | 300 |
| 1357943 | 64-66 | 300 |
| 1374557 | 67 | 340 |
| 1241748 | 72-81 | 350 |
| 3182201 | 72-81 | 350 |
| Head Cast # | Year | Displacement |
| 1193743 | 61-63 | 215 |
| 1238532 | 72 | 350 |
| 1242457 | 71-73 | 350* |
| 124498 | 74 | 350 |
| 1247716 | 75 | 350 |
| 1366379 | 67 | 340 |
| 1374720 | 65 | 300 |
| 1382546 | 71 | 350 |
| 1382720 | 68 | 350 |
| 1383984 | 67 | 340* |
| 1394280 | 64 | 300 |
| 1396788 | 66-67 | 340 |
| Exhaust Manifold Cast # |
Year | Displacement |
| 1246656 right 1246713 left |
75 | 350 |
| 1246658 right 1243457 left |
71-74 | 350 |
| 1246658 right 1383427 left |
68-70 | 350 |
| 1364178 right 1359689 left |
64 | 300 |
| 1369310 right 1359689 left |
65 | 300 |
| 1375910 right 1375917 left |
66-67 | 340 |
| 1381750 right 1231359 left |
70 | 350 |
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* is for Air Injection Reactor