Those 14 pieces of stainless steel were only available as an RPO (Regular Production Option) on 1/2 ton and 1 ton Advance-Design Panel Trucks. Of course, they could also easily be installed on Suburban Carryall and Canopy Express Advance-Design trucks, since the rear fenders are the same.
Alvin has the correct price of these pieces of trim - they have sold on eBay for up to $2,400 as a NOS complete set.
