I have a few members following leads on locating these. Thanks guys, & let me know if you've had any success. This morning, while searching WCCC site for vinyl material for my roof, I found this:
http://www2.cougarpartscatalog.com/67vinylkeeper.html?attribs=77A good read that explains the running change on Cougars for this stripping (early & late)
NOTICE THE ENGINEERING NUMBERS [and change-over dates] THAT ARE CITED
*possible there is a "typo error" on WCCC site citing "C5ZB-6
353728-A" This would not seem like it could be a viable engineering number IMHO. I believe the correction might be a "5" instead of a "3". (body code "65" part of a Mustang engineering numbering system)