59 - '79 PONTIAC V8 HEAD CASTING NUMBERS

Year          CID              HORSEPOWER                 Casting#                Valve Size                  CC or CR

1959         389                368-373HP                     540306                  1.88/1.60                        69
1959         421                368-373HP                     540306                  1.88/1.60                        69
1960         389                368-373HP                     540306                  1.88/1.60                        69
1960         421                368-373HP                     540306                  1.88/1.60                        69
1961         389                                                       538177                  1.88/1.60                        69
1961         421                                                       538177                  1.88/1.60                        69
1962         389                                                       538177                  1.88/1.60                        69
1962         421                                                       538177                  1.88/1.60                        69
1961         389SD            368,373HP(61)              540306                  1.92/1.66                        69
1961         21SD              368,373HP(61)              540306                  1.92/1.66                        69
1962         389SD            368,373HP(61)              540306                  1.92/1.66                        69
1962         421SD            368,373HP(61)              540306                  1.92/1.66                        69
1961         389SD            385,405HP(62)              540306,544127     2.02/1.76                        67
1961         421SD            385,405HP(62)              540306,544127     2.02/1.76                        67
1962         389SD            385,405HP(62)              540306,544127     2.02/1.76                        67
1962         421SD            385,405HP(62)              540306,544127     2.02/1.76                        67
1963         326                250HP                            543797                  1.88/1.60                     8.6 c.r.72cc
1963         326                260,280HP                     548232                  1.88/1.60                     10.25 c.r.
1963         389                215,230,235HP              543796                  1.88/1.60                     8.6 c.r.
1963         389                267,283,303,313HP       543797                  1.88/1.60                     10.25 c.r.
1963         421                320HP                            543797                  1.88/1.60                     10.75 c.r. 72CC
1963         421                353,370HP                     9770716                1.92/1.66                         72
1963         421SD            390,405,410HP             544127,9771980    2.02/1.76                         64
1964         326                250HP                            9773345,(845)       1.88/1.60                      8.6 c.r.
1964         326                280HP                            9773395                 1.88/1.60                     10.0 c.r.
1964         389                215,230,235HP              5437796                 1.88/1.60                     8.6
1964         389                267,283,303,306HP       9773345,(845)        1.92/1.66                     10.5 c.r.
1964         421                320HP                            9773345,(834)        1.92/1.66                     10.75 c.r.
1964         389                325,330,348HP              9770716                  1.92/1.66                         72
1964         421                350,370HP                     9770716                  1.92/1.66                         72
1965         326                250HP                                  62                      1.88/1.60                     8.6 c.r. 70cc
1965         326                285HP                                  22                      1.88/1.60                     10.5 c.r. 60cc
1965         389                256HP                                  75                      1.88/1.60                      8.6 c.r. 92cc
1965         389                290,325,333HP                    76                      1.92/1.66                     10.5 c.r. 70cc
1965         389                335,338,360HP                    77                      1.92/1.66                     10.5 c.r. 70cc
1965         421                338HP                                  76                      1.92/1.66                     10.75 c.r. 68cc
1965         421                356,376HP                           77                      1.92/1.66                     10.75 c.r. 68cc
1966         326                250HP                                  094                    1.88/1.66                     8.6 c.r.
1966         326                285HP                                  095                    1.88/1.66                     10.5 c.r.
1966         389                256HP                                  091                    1.92/1.66                     8.6 c.r.
1966         389                290,325,333HP                    092                    1.92/1.66                     10.5 c.r.
1966         389                335,360HP                           093                    1.92/1.66                     10.5 c.r.
1966         421                338,350HP                           092                    1.92/1.66                     10.75 c.r.
1966         421                356,376HP                           093                    1.92/1.66                     10.75 c.r.
1967         326                250HP                                  140                    1.92/1.64                      9.2 c.r.
1967         326                285HP                                  141                    1.92/1.64                     10.5 c.r.
1967         400                255,260,265HP                    142                     1.92/1.64                     8.6 c.r.
1967         400                290HP                              143,061                  1.92/1.64                     10.5 c.r.
1967         400                325,333HP Big Car          143,061                  1.92/1.64                     10.5 c.r.
1967         400                350HP(GP)              670,9787, 671,187         2.11/1.77                     10.5 c.r.
1967         400                325,335,360HP                  670                       2.11/1.77                       72cc
1967         400                325,360HP RA                   670,97                   2.11/1.77                       72cc
1967         428                360,376HP                        670,978, 7671       2.11/1.77                        72cc
1968         350                265HP                                    17                     1.96/1.66                      8.6 c.r. 72cc
1968         350                320HP                                    18                     1.96/1.66                      10.5 c.r. 64cc
1968         400                265HP                                    14                     1.96/1.66                      8.6 c.r. 90cc
1968         400                290,340HP  Big Car            15,215                 1.96/1.66                      10.5 c.r.
1968         400                350HP(GP)                      16,216,62                2.11/1.77                     72-75cc
1968         400                330HP (FB)                      16,216,62                2.11/1.77                     72-75cc
1968         400                335,350,360HP                   16,62                    2.11/1.77                     72-75cc
1968         400                335,360HP RA I                  31,(37)                  2.11/1.77                     72cc
1968         400                340(FB),366(GTO) R,96,A(RA II)                     2.11/1.77                     71cc,rd port
1968         428                375HP                                16,216                    2.11/1.77                     72cc
1968         428                390HP                                16,216                    2.11/1.77                     72cc
1969         350                265HP                                    47                       1.96/1.66                      8.6 c.r. 72cc
1969         350                325HP                                    48                       2.11/1.77                      10.5 c.r.64cc
1969         400                265HP                                    45                       1.96/1.66                      8.6 c.r. 94cc
1969         400                290HP                                    46                       1.96/1.66                      10 c.r.68cc
1969         400                340HP(GP)                          16,62                     2.11/1.77                      72cc
1969         400                330,335,350,366HP             16,62,48(MT)        2.11/1.77                      72cc
1969         400                345(FB),370(GTO)              722(RAIV)             2.11/1.77                     71cc
1969         428                360HP                                16(small valve)46    1.96/1.66                     10 c.r.
1969         428                370HP(GP)                              62                      2.11/1.77                    72cc
1969         428                390HP                                   16,62                    2.11/1.77                    72cc
1969         400                375HP (RA V)                       44 Tunnel Port       2.11/1.77                     67cc
1969         303              RA V Tunnel Port                   546184                   2.11/1.77                     56cc
1970         350                255HP                                      11                       1.96/1.66                     8.8c.r.
1970         400                265HP                                      11                       1.96/1.66                     8.6c.r 80cc
1970         400                290HP                                 16(sm valve)            1.96/1.66                    10 c.r. 78cc
1970         400                330HP Big Car                         16                       1.96/1.66                    10 c.r. 78cc
1970         400                330HP                                   12(m.t.)                  2.11/1.77                     72cc
1970         400                330HP                                   13(a.t.)                   2.11/1.77                     72cc
1970         400                345HP (FB,RAIII)                     12                        2.11/1.77                     72cc
1970         400                350HP(GP)                              13                        2.11/1.77                     72cc
1970         400                350HP(GTO)                         12(MT)                   2.11/1.77                    72cc
1970         400                350HP(GTO)                         13(AT)                    2.11/1.77                     72cc
1970         400                366HP(GTO)                        12(RA III)                 2.11/1.77                    72cc
1970         400                370HP(RA IV)                      614 (rd port)             2.11/1.77                     71cc
1970         455                360HP Big Car                         15                         1.96/1.66                    87cc
1970         455                360,370HP(GTO,GP)              64                          2.11/1.77                    87cc
1971         350                250HP                                      94                         1.96/1.66                   96cc
1971         400                265HP                                      99                         1.96/1.66                   98cc
1971         400                300HP                                      96                          2.11/1.77                   96cc
1971         455                280HP                                      98                          1.96/1.66                   114cc
1971         455                325HP                                      66                          2.11/1.77                    114cc
1971         455                335HP(455HO)                197(191) rd port            2.11/1.77                      111cc
1972         350                175HP                                     7h1                         1.96/1.66                     7.6cr 80cc
1972         400                200HP                                      7j2                         1.96/1.66                     8.4cc 96cc
1972         400                250HP                                     7k3                         2.11/1.77                     96cc
1972         455                200HP                                     7L4                         2.11/1.77                      114cc
1972         455                200HP                                     7L5                         2.11/1.77                      114cc
1972         455                250HP                                     7M4                        2.11/1.77                     114cc
1972         455                250HP                                     7M5                        2.11/1.77                     114cc
1972         455                300HP(455HO)                 7F6 rd port                    2.11/1.77                     111cc
1973         350                150,175HP                              46,4c                       1.96/1.66                     96cc
1973         400                170,185HP                             46,4c                        1.96/1.66                     98cc
1973         400                200HP                                    4x,4c                         2.11/1.66                      98cc
1973         400                230HP                             4x screw-in stud               2.11/1.66                     98cc
1973         455                215,250HP                     4x screw-in stud                2.11/1.66                      114cc
1973         455                290HP(455SD)                  16,X(rd port)                  2.11/1.77                      111cc
1974         350                155,170HP                             46,4c                         1.96/1.66                      7.6cr 98cc
1974         350                200HP(GTO)                  46(screw-in studs)            1.96/1.66                      7.6cr 89cc
1974         400                175,190HP                             46,4c                         1.96/1.66                      8.1cr 89cc
1974         400                200HP                                    4x,4c                          1.96/1.66                      98cc
1974         400                225HP(AT)                       4x(screw-in stud)             2.11/1.66                      98cc
1974         400                225HP(AT)                               4c                            2.11/1.66                      98cc
1974         400                225HP(MT)                      4x(screw-in stud)             2.11/1.66                      98cc
1974         455                215,250                           4x(screw-in stud)              2.11/1.66                      114cc
1974         455                215,250                                    4c                            2.11/1.66                      114cc
1974         455                290HP(455SD)                  16,X(rd port)                  2.11/1.77                      111cc
1975         350                ALL                                           5c                            2.11/1.66                  7.6cr 101cc                
1975         400                ALL                                         5c,6s                         2.11/1.66                  7.6cr 98cc
1975         455                AIR                                           6s                             2.11/1.66                  7.6cr 115cc
1975         350                HO,non-air                               5h                             2.11/1.66                   7.6cr
1976         350                ALL                                      6X-4,6S                        2.11/1.66                  7.6cr
1976         400                ALL                                      6X-8,6S                         2.11/1.66                  7.6cr
1976         455                AIR                                          6S                              2.11/1.66                 7.6cr
1976         455 HO,non-air                                             6H                              2.11/1.66                 7.6cr
1977         301                ALL                                         01                               1.72/1.50                  8.2cr
1977         350                ALL                                     6X-4,6S                          2.11/1.66                  7.6cr
1977         400               180HP                                    6X-8                             2.11/1.66                  7.6cr
1977         400               200HP                                    6X-4                             2.11/1.66                  8.0cr
1978         301               ALL                                        1,02                              1.72/1.50                 8.2cr
1978         350               ALL                                      X-4,6S                            2.11/1.66                  7.6cr
1978         400               180HP                                   6X-8                              2.11/1.66                  7.6cr
1978         400               220HP                                   6X-4                              2.11/1.66                  8.1cr
1979         301               ALL                                         01                                1.72/1.50                 8.2cr
1979         400               ALL                                       6X-4                              2.11/1.66                 8.1cr