intake #3822928/1x4/8 7 62 date code

[5509]

Does any one know if this manifold is part of a service papgage?It was new when I got it,has 360degree center. Did not look to been modified.Circle track mabey?

 

[wrench]

Does any one know if this manifold is part of a service papgage?It was new when I got it,has 360degree center. Did not look to been modified.Circle track mabey?

Late 62 Nascar type manifold.

 

[CHEV601234]

check Colvin's book. I think the castover is 929 not 928. B/s nhra, too late for daytona.