Sport Specials were a way for Mercury to sell more std. hardtops, much like Ford offered many packages on Mustangs. I do not think the special rocker mouldings came on any other car from the factory, but a good person to check with is Bruce Wallace. He started the Sport Special registry for CCOA abd owns two himself. You can email him at [email protected]. Hope this helps.
the sport special package was an option form the factory but mark or steve can tell you for sure but the bullet rockers are on even some 70 cars as many dealers installed them from leftover stock. and could be on any cougar as they were an over the counter part and since it is a two screw bolt on it was easily accomplished.