Like your videos my type of content currently have a kymron on order with k&r equipment the yh14 fully loaded package I could gladly make you some bushings you would just have to cut the old ones off and weld on the new ones
If you have play with 7/8 bolt. Go buy some 3/4 electrical conduet. Split down the side and cut to length. Put the conduet in between ears and put bolt in.will need to hammer it in. Put nut on your done
@thebeardedhomesteader I wound up buying a long nut and standard bolts. Drilling out and welding the long nut in. The metric bolt I broke one. Striped one out. And finding long metric bolts in Oklahoma are hard to find and costly. And I put a flat washer on the bolt head to stop the wearing. If you happen to break your quick jaw. It can be welded back together. I have don't it