The factory spray on the hub caps did not have a sharp line -- it was more of a fade.

It required a little skill to get it right -- if you look at many of them you can see what I am talking about.

The one piece hubcaps used a different spray cover than the two piece.

I had to paint many more one piece hubcaps -- they would fly off all the time, and often got curb rash. The center of the two piece never came off.

I always liked the look of the older ones.