Open up the pic Oz posted above and you can see how they drop into the caliper from above and are retained by pins and an anti-rattle spring.

It's a big pic so here's a linky.

https://board.moparts.org/ubbthreads/upload2/7204774-2012-05-0815.28.53.jpg

We are brothers and sisters doing time on the planet for better or worse. I'll take the better, if you don't mind.
- Stu Harmon