Brand new Centric drums don't fit?

You have the drums. You have the car and the rear end they fit on. You have everything there in front of you at your disposal to see why they don't fit correctly. It sounds like Del said, they simply need some of that inner lip trimmed back.
Rusty… not my car… its a guy on FB that s having the problem.., Im just trying to help him out.Read up there^^^^^^