Door striker question
don't over think-- your issue-- Jim is correct as usual --you have the later 69- 72 door lock --hump filled in on your door==(Dallas) Mobody man has a 68 dart convert for parts he might have a door that would match.
what are you wanting to do?
Do some searching in the convert thread-- there are a few topic on glass & doors --
good luck on your car ,Lawrence