Sorry for the thread hijack but just to clarify..
For those opting to go with the LB wheels then we use the GM based drive flange which is a 5 stud but on 110pcd, for those who wish to opt for the 15" wheels which are available off the shelf in 5 x 98 or 5 x 108 there is an upright set which is machined to accept the 156/166 bearing Chris has highlighted above. With the Alfa set it is necessary to retain the drive flanges from the donor car if you have go this route (156 is 98 pcd, 166 is 108pcd) whereas the GM set come with integral flanges thus eliminating the need for the donor parts.
Regards
Craig
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