Just a quick update. Received the C7 hubs and they fit perfectly in the CPP spindles. No wiring on the C7 hub plus larger bearing which are both positives in my eyes over the C5 hubs. I ordered the AC Delco hubs #20981829. The hubs are stamped SKF on the edge. The AC Delco hub cost is about $20 cheaper than the SKF so that was a plus as well. Hopefully the rest continues to go together just as well. I did put new Global West Del A Lum lower control bushings and I really like them. Very smooth and easy to install. Haven't decided on calipers yet.