Ok, here's the rundown on wheel trim moldings:
67 is one year only and stainless. It can be identified by a thin, sharp edge that is not on any of the later years
68-72 are Stainless
73-up are Aluminum
All are interchangeable within their respective bodies.
I currently have the set listed above, and also have a 73-up Scamp/Duster set for the same price.