Actual terms vary by lender. Used It has 1972 front turn signal lights not a 1971. The grill is a 1971 though. I would know for I OWN a 1972 SS Chevelle.
The pinnacle, however, is the Chevelle SS which stands for Super Sport, and it was the hottest Chevelle offering of them all. In 1969 ... is identifiable by its black "side-snorkel" air cleaner ...