Hang around Allsouth, there is a lot of swapping going on.
Must be a few standard transfer cases around
Maybe get a D30 almost free to make it all functional and then wait for the right deal to make the bolt in upgrade
Or
Just go ahead and but a pro rock housing and find all of the parts
Or
This hybrid
Fusion 4x4 Hybrid Front Axle - Housing With Brackets
$2,395.00
High Clearance off-road center section
Utilizes Dana 60 lockers, gears, and 35 spline axle shafts
Massive 3.5" diameter tubes with 7/16" wall
Heavy duty forged JK inner knuckle Cs
Heavy duty 1/4" laser cut and CNC bent brackets
Designed and manufactured in the USA
Available in custom widths as well as custom castor and pinion angles
https://www.fusion4x4.com/fusion-4x4/fusion-4x4-hybrid-front-axle-housing-brackets