Mopar 8 3/4 or Ford 9?
Ya know both Mopar and Ford both use a 4 1/2" bolt pattern wheel.......
You can buy brand new axles from Moser for a little more than these collector idiots want for their throw aways!!!!
Whatever you do stick with the Moser gang, they're very smart people
(they even have a Mopar guy working there!!!)
Since you already have the nine inch...use it
OR
Buy Moser's fabricated 8 3/4 housing and have them fill it up like you want...
OR
Buy their Dana 60 made to order...............