Besides the caster, does this look ok? I'm still getting a little bit of the ESP going off on some turns. Mods are:

OME 2.5" lift
35-12.50x17 tires
Synergy HD tie rod
JKS fixed lower control arms
JKS front and rear adjustable track bars
JKS adjustable sway bar quicker disconnects

 

looks pretty good. A bit more caster will make it drive a touch better. But you're pretty darn close. With that much lift shouldn't make much difference. For the esp kicking on, the steering wheel must be off ever-so-slightly. My JK was pretty picky about the steering wheel being just right.

Sent from some string and a few tin cans.

 

What CerOf says: Adjust that steering wheel. It is extremely sensitive. If when you drive straight ahead you just think that your steering wheel might-could-maybe be just at a very slight angle, the Jeep will be unhappy. Adjust it.