Help needed on a 65 dart convertible top

I got mine from Layson's. It's the non-convertible version, but, they fit fine. There's a slight bit more metal exposed on the inner windshield frame is the main difference. I posted some photos of the difference a few months ago. If you do a search, you should be able to find it. There's probably other suppliers too, but, Layson's had a good discount at the time. As far as I know, nobody makes a genuine convertible one.

As you say they do not exist, a few on the internet claim to have "convertible" windshield weatherstrip but they are not. I would get it from Detroit Muscle Technologies. Jim will only sell brands he would use on his own car.