Glad you’re doing this thd. I want to end up with 44”s on my K5. My Parnelli Jones E rated tow ability 38’s from Years ago are mounted on 16” x 10” or 12” wide (don’t really remember width) Forged Weld Super Single two wheels that were OMF beadlock converted.
My 38”s have Got to be dryrotted by now, and will just be burnout off road tires lol! They’re going to need replacing. So might as well get hopefully some 44/45X16” tires after getting the polished wheels powder coated. I’m Not polishing wheels. Hose, blow off, wipe off with micro cloth, done.