64 -66 stock C10 15" rims/ cap photo id help

[oem4me]

Originally Posted by 60-66

Then here are the three different designs of each year.
1) Nub style on the left,
2) 1/2 ton 6 lug Clip style center.
3) 3/4 ton 8 lug wheel to the right.

The image there is deceiving. Contrary to how it appears, these caps are all the same outside diameter. The different inner rings make for optical illusions and it appears the GMC nub cap on the left might be sitting up a little higher too.