The only things I got is the inner fenders..the drivers side from 72 up has a bolt for the battery hold down..and the 70 right side inner fender is different than 71 up because of the fuel vapor line notch cut out in the inner fender..other than that, they all look the same.
https://youtu.be/0fSyxPzz_OQ Those are the big ones. For 70 Challengers anyway, I have at least a half dozen small changes in stamped parts that are unique to the 70 shell, differ for 71 and yet differ again in some ways for 72-74.
