Discussions about interior and exterior choices, colors and features are a constant topic when it comes to the Nova. The Nova SS option had nothing to do with colors or interior options like bench or bucket seats and consoles.
The SS option got you the base SS engine [in this case the L-48 350/300hp small block] and a variety of mechanical & cosmetic items like; hood louvers, special SS grill and front bezels, rear panel with SS emblem, dual exhaust, E70 x 14 wide ovals, etc.
All of the paint colors and combos were available on any Nova from the rare 4cyl. all the way to the mighty L78.
So, when looking at a Nova advertised as an SS it helps to keep all of this mind...short of a born with driveline or solid documents it is often hard to prove the SS status...but, ultimately most cars speak for themselves, and if you know what to look for it can be figured out.
-wilma