On shockwarehouse.com, I found a spreadsheet of a huge list of Bilstein part numbers that are currently on backorder, and its incomplete at that, because the shock I want isn't on that list. Makes me wonder what in hell is going on at Bilstein. From what allshocks.com hinted in an email, it sounds like supply chain problems.
I would consider Fox reservoir shocks for the front, but I don't want spherical rod ends, I want the stock type rubber bushings like the 5165 has. Anyway, I've put in an order for the 5165's, so I'll get my front shocks one of these months (I hope).
In the meantime, I placed an order for the Bilstein 5125's for the rear, a Northern aluminum crossflow radiator that is custom fit for a CJ, and an Chevy HHR fan/shroud assembly from rockauto.com.