I realize this thread is approaching a year old but rather than start a new thread on the same topic/vendor I wanted to add an update.
I ordered non-adjustable rear LCAs from Stan and installed them a week ago. The construction is stout. Installation was easy. The finish was sprayed, not PC. Had I been thinking I would have asked Stan to PC them and paid extra. My oversight and not his as Stan is very accommodating.
My 100 only has 139K (118K with PO at the mall) but felt soft on twisty mountain highway/roads. Plenty of them in Western NC/North Georgia regardless of where you go. Even with the low miles I was amazed at the difference in road manners with the new rear LCAs. Many folks very understandably wait until higher miles to start replacing bushings but in my case it made a difference much sooner. Worth considering if you have the “wallow” but don’t have high miles yet.