I talked to Nate today, and it won't exactly work. The driveshaft will work clear through the trailing arm crossmember opening, but will more than likely not have enough clearance for movement.
You order, and it will come....
It is in the works shortly, so if one is ordered, it will get built. Should be in the normal build time, but because it will be a first one, may add just a little time. Not many adjustments are needed.