Possible Correction to description: My \'85 4-4-2 rear window reveal molding has similar pieces installed from the factory, but unlike the fronts having about 1/4\" extending past the inner edge of the metal molding, the rears have only a lip that ends under the edge of the molding. The factory most likely added them as an insulator to avoid any metal to glass contact. But just like the front moldings, my rear moldings only had these fins in the upper and side moldings, not the lower molding.
