Originally Posted by That Jeep Guy XJMJ

do not use any of the ones from iron rock offroad, i've gotten one recently and compared it to one from rustys offroad and was deeply sadened.. they are week and break at the joint very easily, i've had 3 friends using them have to replace the flex-joint after some wheeling becasue the damn thing snapped.. iron rock offroad is just a distributor from Rough Country... the new one they've released looks fairly nice but i couldn't tell you anything about it...

but like the other have said b4, at 3.5" you don't really need an adj track bar, but if you decide to get one, deffinitely go somewhere else besides RC's "ball joint" style end