Originally Posted by EMTimZJ
You will not notice any difference in offroad performance between the two adjustable arms.
NO that's far from the truth (no offense).
You will notice increased bushing wear, and it is possible overtime for your control arm brackets to fatigue and eventually the welds could fail. This happens all the time with solid arms with poly bushings, granted the rubber bushings are a little softer but still there's just no flex to the Super Ride arms.
The Super Ride arms are far stiffer than stock. The stock arms themselves twist/rotate when the suspension is flexing. Replacing that with a solid tube, and re-using the stock bushings is a bad idea for a trail rig IMO.
There is really little to no difference in on road ride quality between the Super Flex and Super Ride arms either, since you're still keeping rubber at one end of the control arm.
With that said, the Super Ride kits are only available for XJ/ZJ, so this has no bearing on a TJ lift discussion.
In regards to this thread, the Super Flex kit adds lower control arms front and rear, sway bar disconnect, and extended front brake lines. Off road it will easily outperform the Standard kit due to the addition of the disconnects. It also includes the Super Flex control arms which will flex a little easier than the stock arms.
The Super Flex arms can be upgraded to adjustable arms too. As is they're a little longer than stock which helps to correct your front caster angle and rear pinion angle after installing the lift. If you upgrade to adjustable arms, you gain full control over your caster and rear pinion angle which can be useful for dialing in the on road ride.
Personally I don't like the Standard kit, there's just not enough parts there in my opinion. My recommended minimum starting point would be the 3.5" Super Flex kit w/ adjustable front track bar, and adjustable lower control arms. With this setup you can adjust everything just right to make for a nice street driven Jeep, and it will perform very well off road. Things to add later would be adjustable upper control arms, an adjustable rear track bar, and a SYE/CV conversion.
If you want to do things right and be done from the start, I would recommend the 4.5" Super Flex kit (w/ 3.5" coils if you want to run 33"s) with upgraded adj. lower arms, and a rear track bar. This completely replaces the stock suspension, and it gives you everything you need to add a SYE/CV.
If all of this is starting to sound like it's outside of your budget, personally I'd say go with the 2" Budget Boost kit and a 1" body lift and motor mount lift. If you want a cheap lift that you don't need to worry about, the budget boost is really your best bet. With the 3.5"+ kits, ideally you want to do a SYE/CV and that's where things start to get expensive.