If I'm correct, those six taillights was a dealer option (aftermarket installed indeed, NO C2 came straigt from the factory with 6 taillights)...
And
And
The rounded rectangles came in '91 and the ovals came on the C5 ('97)... Before that (but only from '61 up to '90), Corvettes came out of the factory with perfect circle taillights..:thumbsup: