Doug's headers not fitting - frustration

I have a used set hanging in my garage that were on a 360 4speed duster. Not sure if it had power or manual steering box they had minor massage dimples for fitment.View attachment 1716250366View attachment 1716250367
I've got dents similar to those. I also knocked a little dent in the #3 tube because it was right up against the very top edge of the steering box.