http://www.markwilliams.com/detail.aspx?ID=533
http://www.markwilliams.com/detail.aspx?ID=1746
http://www.markwilliams.com/detail.aspx?ID=530
I run the MW titanium drive studs. I couldn't find them in their catalog but I have MW aluminum lug nuts with an encapsulated torrington bearing on the back side. This keeps the lug nut from galling the washer and the washer from galling the wheel. The aluminum lug nut is black anodized and the bearing is natural color. There is something like that shown in the pictures but the description doesn't mention anything about bearings. Call MW and they should be able to give you the p/n.