Where can I find correct LCA Bump Stops? Don't tell me CHINA!

I am having the same problem with the LCA and the UCA bump stops. The universals only have a stud that goes into the rubber, so it eventually turns the rubber as you tighten it. The OEM Bump stops have a square base, just like a bumper bolt, so you can torque it in there correctly. PST suspension used to make them, but no longer. I cannot find the OEM ones with the square base anywhere.