I run thin spacers, it torqued the wheels off the ground about 5 ft/lb at a time. So atleast they are centered on the lugs the best they can. Retorqued after a few drives, and they seem fine. I did run longer Mr. Gasket "Racing" studs so i get all my thread engagement. 1" is a bit much of spacer. May look into adapters that have their own studs on them. I'm not sure 10.5s will fit without issue. I run 9s and they are about maxxed out on my car on stock wells.