I don't think so. The shape doesn't look quite right, and there's no fangs at 5:00 & 7:00. I bet it's one of those odd-ball big-car rear ends GM was so fond of in the early '70s. The 7.5" was not even made until 1975 or so.
Last edited by jimfulco; 10-22-2008 at 12:34 AM.