Welcome, do a search on here, lots of threads about it. The ONLY mfg of the proper oem style mylar lockstrip is Precision replacement parts. What you have is a 1 year only pan in the *** mistake Ma Mopar made... Precision Premium Automotive Glass Parts | Automotive Parts @rtse66 has notchback stainless trim. GET IT!
Here is some info as I'm upgrading our 67 fastback to ss trim 68/9 barracuda windshield stainless clips
Let's see pics of the notchback.