The Chevy cylinder head casting codes are one of the best ways to identify a Chevy cylinder head. It is usually found on the top of the head in between two valves and the rocker arm studs.

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Cylinder Head Codes for CID 327

Casting No Years CID Intake Exhaust CC
3297185 1963-67 327 1.72 1.5
3714482 1962-67 327 1.72 1.5
3737775 1962-67 283/327 1.72 1.5
3743096 1962-67 327 1.72 1.5
3747460 1959-67 283/327 70
3748056 1962-67 327 1.72 1.5
3755585 1962-67 327 1.72 1.5
3755585 1962-67 327
3767460 1962-64 327 1.72 1.5 68
3767462 1962-67 327 1.94 1.5
3767462 1962-67 327
3770126 1969 327
3770126 1967-70 327 1.94 1.5
3774634 1964-67 327
3774682 1960-67 283/327 1.72 1.5
3774682 1960-64 283/327 70
3774684 1962-64 283/327 1.72 1.5
3774684 1962-64 327 75
3782461 1962-67 327 1.94 1.5 62.076
3782461 1964-66 327 2.02 1.6 62.076
3782461X 1960-63 283/327 2.02 1.6 63
3782879 1962-67 327 1.94 1.5
3792563 1965-67 327 1.72 1.5
3798996 1963-67 327 1.72 1.5 59.669
3814480 1962-67 283/327 1.72 1.5 70
3814480 1960-67 283/327 1.72 1.5 70
3814482 1962-67 283/327 1.72 1.5
3814482 1962-67 283/327/350 75
3817680 1963-67 283/327
3817681 1966-67 327 1.72 1.5
3817681 1962-67 327
3836842 1962-67 283/327 1.72 1.5
3836842 1957-67 283/327
3849820 1965 327 1.72 1.5
3852174 1962-64 327 1.72 1.5
3854520 1962-67 327 1.72 1.5
3876132 1962-67 327 1.94 1.5
3876775 1967-67 283/327 1.72 1.5 75
3884520 1962-67 283/327 1.72 1.5 60.530
3890462 1966-67 302/327 2.02 1.6 63
3890462 1966-67 327/350 1.94 1.5 63
3891462 1962-67 327 1.94 1.5
3911011 1968 327 1.72 1.5
3911032 1968-69 307/327
3912291 1968-70 327 1.94 1.5
3912311 1965-67 327
3912313 1965-67 327 1.72 1.5
3912313 1965-67 327
3917290 1968-69 307/327 1.72 1.5
3917290 1967-68 307/327
3917291 1967-69 327/350 1.94 1.5 63.305
3917291 1968-69 302/327 2.02 1.6 63.995
3917292 1968 327/350 1.94 1.5 64
3917293 1968-69 327 1.72 1.5 75.340
3921175 1966 327 2.02 1.6
3927185 1969-73 307/327/350 1.72 1.5 69.625
3927188 1969 327 1.72 1.5 74.660
3928455 1968 327 2.02 1.6 unverified
3928494 1968 327 2.02 1.6
3928495 1968 327 1.94 1.5
3931637 1968-69 327 1.94 1.5
3931638 1968 327
3931638 1968 327 1.72 1.5
3941174 1968 327
3947040 1968 327
3970126 1967-70 327 1.94 1.5
3970126 1967-70 327/350
3973414 1964-70 327 2.02 1.6 64
3981462 1962-67 327 1.94 1.5 unverified
3990462 1962-68 327 1.94 1.5
3990462 1962-68 327 2.02 1.6

 

 

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