bump stops

One of my rear struts was making racket, so I'm in the process of replacing it. When I slid the (fake) boot off the old strut, the bump stop came out in crumbs. The biggest piece was a half inch. My car is pampered, garaged, has only 85K miles; if my bump stops have crumbled, y'all's are...

Yes, I've searched, and found nothing specific to this particular topic. I'm having rear strut problems. Noises/etc. I'm running Tokico Blues with H&R Springs. I used my stock foam bumpstops, and I'm sure they have fallen apart. I've taken out a few pieces from the boot. I have found that...