Usually you can do that build a well. What we usually do is use 2 left axles off the explorer,
Giving you a pinion center housing that is exactly 56" long axle to axle flange.
Here is one of many that we've done.


It's a good little build, it can handle some power being 31 spline.
With this length there is no need for such an offset wheel. These wheels are 15x8 275/60 r15s.