How bad did I F*** up?

DentalDart said
So maybe I'll have to figure out how to get the old bushing shell out (which reading some of the threads can be a pain in the butt

Don't be too hasty, if all you need is one bushing, I would call PST again and tell them what others are saying about greasable and adjustable and see what they say.

Merry Christmas to you and your family.