I ordered the hubs from GM Parts Direct. They are brand new GM.
I've got a Pro Comp 2 1/2" lift on it. The reason the wheels stick out so far is because the rear end is the Dana 70HD dually rearend. It is wider than any of the 14 bolts. When I was running duals I had 2 inch spacers between them. When I went back to singles I put them on the front axle so the width matched the rear axle. I had to "adjust" my front fender opening with the spacers on the front.