upper control arms

All A-body UCA’s are the same with one exception, the location of the sway bar mounting tabs.

So if the LCA’s don’t have sway bar tabs they’re all the same. If they do have sway bar tabs there are two versions, 67-72 and 73-76. They have to be matched to the K-member and sway bar being used.
not that you'd be the first one to cut them off and move them