67 Dart windshield gasket issue.

What many guys do is use the 68/ later gasket, which fits all the way to 76. You must but the retainer clips for the 68 and later trim, and of course drum up a set of the 68 and later trim as well.

Here's one thread.

https://www.forabodiesonly.com/mopar/threads/windshield-molding-clip-question.360765/