Clearasil's Mr. Norms '68 Dart ??
Nope, the original 6 cyl /383 conversion had a vinyl roof.....
I posted the whole article last month.
See the vinyl roof trim.....
And remember, it takes a while to get these promotions rolling, like months. I bet the Dart in the picture was just an unused 67 Chrysler ad photo with a stripe added.