Check your alignment tabs on the LCAs. If you do much of anything off road, you're going to flatten the tabs the cams ride against. You need to put in gussets, or weld them if you want to stay in alignment. Also make sure those bolts are to spec, like 150 ftlb or so, IIRC.

I know others have had good luck with them, but I found the SPCs to be worthless and I threw them away in under a year of fighting ball joint and bushing problems. Been running Total Chaos for the last quarter million miles since getting rid of the SPCs and no problems other than regular uniball replacements.

The stock lower bushings have a lot of play in them by design. Mine lasted like 250k miles with lots of abuse before one actually broke free. Unless it is visibly torn through and sitting on metal at rest, it's probably fine.

Wheel bearings are going to have a lot to do with your wheel and tire choice. If you run lots of neg offset, you're going to go through bearings often. I run 35s on 0 offset and have only replaced front wheel bearings once in 320k, and they weren't bad, I just misdiagnosed a tire problem.

Front KDSS bushings are a frequent wear item with a lift.