I also got my axles from Moser.
And like MNDemon340, I also have the Wilwood rear disk brakes. One call and they new exactlly what was needed. I believe the Wilwoods are the same offset as the B-Body brakes when you put them on an A-Body rear .25" longer from bearing to flange.
The only problem I had was they put the green bearings with the snap ring on them and my Wilwood adapter was set up for no snap ring. They did offer to send the correct bearings, but I would have to find someone to press them on. Instead of leatting someone mess with them, I just bought the correct adapters from Wilwood.
They cost me right around $400 for the pair, all ready to put in.