Quote:
Originally Posted by b-man
They're 1965 #76 heads, 10.5:1 compression that originally came on your 290-HP 2-barrel 389.
The bottom picture shows the last 2 digits of the casting number, '76'.
Some Pontiac heads were identified like this, with the last 2 digits on the end exhaust port.
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Well, that was quick & easy! I sure do appreciate your help!