Chevy Casting Numbers, Big Block Chevy Exhaust Manifolds:
| Casting Number | Displacement | Years Used | Side |
| 329225 | 454cid V8 | 1973 - 1976 | LH |
| 353028 | 454cid V8 | 1973 - 1976 | LH |
| 353030 | 454cid V8 | 1973 - 1976 | LH |
| 3856297 | 396cid V8 | 1965 | LH |
| 3856301 | 396cid V8 | 1965 | LH |
| 3856302 | 396cid V8 | 1965 | RH |
| 3856306 | 396cid V8 | 1965 | RH |
| 3857297 | 396cid V8 | 1965 | LH |
| 3868874 | 396cid V8 | 1965 - 1966 | RH |
| 3869925 | 396cid V8 | 1965 | LH |
| 3872770 | 396cid V8 | 1966 | RH |
| 3880827 | 427/454 cid V8 | 1966 - 1969 | LH |
| 3880828 | 427/454 cid V8 | 1966 - 1972 | RH |
| 3880869 | 454cid V8 | 1970 - 1972 | LH |
| 3883999 | 396cid V8 | 1966 | LH |
| 3884504 | 396/427 cid V8 | 1966 - 1967 | RH |
| 3892307 | 396/427 cid V8 | 1966 - 1967 | LH |
| 3902401 | 396cid V8 | 1967 | LH |
| 3904399 | 396cid V8 | 1966 | LH |
| 3909879 | 396/427 cid V8 | 1967 - 1970 | LH |
| 3909880 | 396cid V8 | 1967 | RH |
| 3914613 | 396/427 cid V8 | 1968 - 1970 | LH |
| 3916178 | 396/427 cid V8 | 1968 - 1970 | RH |
| 3969869 | 454cid V8 | 1970 - 1974 | LH |
| 3989310 | 402/454cid V8 | 1971 - 1972 | RH |
| 3989343 | 402/454cid V8 | 1971 - 1972 | LH |
| 3994045 | 454cid V8 | 1973 - 1975 | LH |
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