Have a Mitchell in my avatar Model A with a ‘39 transmission and ‘35 rear. They will make one to fit if you provide measurements. Give them a call and they will walk you through it. 530-458-4500. Stephen is very helpful. No, I’m not related.
You would have to also shorten the tube also that the driveshaft goes in and cut new splines.I have one on my 40.Best thing in the world