So right now I currently have a 3" Zone lift on my TJ and it has served its purpose. I would like to upgrade eventually and one of the members of a club I'm a part of will be selling a 3.5" lift made up of RK control arms, RE coils and Superlift shocks. I think the price he is asking is good, just wondering what else would be involved going from my current setup to 3.5". I haven't installed a BL or MML yet so I still have a t-case drop but I will be fixing that regardless of a new lift.

Regardless of whether I get this setup or not, I will likely be going to a lift of this size in the future so this will be good info to have.

Overall you should be A-okay switching to the 3.5" setup that you're buying. Going up a half an inch won't make or break any of the components you're running at the moment. The kit you're buying comes with control arms so that's a big benefit.

You should however think about upgrading to extended brake lines, front track bar relocation kit or an adjustable track bar, Slip Yoke Eliminator, and possibly new driveshafts in the future because your driveshafts right now are cutting it close with being over extended.

If your Jeep has performed great with the 3" lift then it should do just as well with the 3.5". Just consider upgrading those parts in the future to make sure nothing does go wrong.

Let me know if you have any other questions!

-Jake

Just trying to be honest that I think you are better off sticking with your Zone kit and focus on getting a MML to eliminate the tranfercase drop.

It just seems like it is not going to be "an upgrade" over what you have, (especially for used parts)....and you are talking .5" difference to go through all that trouble. If you want the extra clearance for 33's, look towards installing a 1.25" BL.

When I had my D44s installed this year I got an MC adjustable track bar so I'm good there, my driveshafts also had to be shortened from stock to work with the D44s so I guess that may be an issue. I'm planning on doing a BL and MML regardless of whether I get these "new" parts or not. The guy said he was looking for $500 so I figured that for that much, it's a good deal for the control arms alone considering I just have stock one now. Was juts looking for some higher quality parts. Maybe it would just be better to get new CAs and stick with what I've got.

It is what I would do. Your stock arms are better than most aftermarket arms until you get good ones with Johnny Joints or Duroflex joints. Currie/Savy and Metal Cloak are your two best options. (Avoid any control arms with poly bushings.)

^^^ Yes, and you should look at these arms from Core 4x4 at Allen's Offroad. Choose from two different tiers using Johnny Joints or save money on Tier One carbonized poly or rubber flex joints. All adjustable and tier one is upgradeable later.

As mentioned, you can always do the 1.25" BL and MML. This will also get you prepped for the tummy tuck coming later.

If you would like more info, please shoot me a PM.

Allen

Edit: How old are these arms you would be getting? How well does this person maintain the suspension? As you know, road salt can have a huge impact on parts longevity. I would stick with the kit you have.

Those control arms look alright, that upgrade won't be for another year or two though. This opportunity just came up so I figured I would look into it. The CAs are 5 years old the bushings have been replaced on the lower rears this fall just before the Jeep was put away for the winter as it is every winter so road salt wouldn't be an issue.