MNSmith,
By the seat of your pants rear seat frame looks like a stock factory seat frame.
And a heck of a lot cheaper.
Good Job, Thank for the photos.
Sorry for late reply, I didn't add thread to my Followed Thread list so I never received a notification that you replied.
You have to use the full editor to have your reply auto added to your Followed Thread to list.
Quick Reply at bottom of thread doesn't auto add thread to your My Followed Thread list.