[Lumatic]

If I remember right under 3500# you can only get #10 axles. 3500# and above you can get #11 which has 12" brakes. I don't remember anyone advocating for 45 degree down trail axles (could be wrong) but, from what I remember do remember recommendations of both 22 1/2 and 33 degrees. Better to ask Andy. 22 1/2 was the original Henshen spec. On my 71 the "high profile, reverse orientation" mounting bracket was the same general dimension as my original Henshens. But that was for my 71. I don't know how that would apply to other years. I suggest you download the Dexter "Application Manual" from thier website.