Small block "block" numbers

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

Small block intake manifold numbers

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

Small block head numbers

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

Small block 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