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Old 11-13-2011, 11:55 AM   #1
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Question Lift Kit: Adjustable Track Bar or Not

Well, I did my research and pulled the trigger on a TeraFlex JK 2-door 2.5" Lift Kit, W/Shocks (1251002) for my 2011 JK Rubicon. The question now is this, as I do even more reading, I am beginning to question whether or not I need adjustable trackbars with this lift kit. I have not seen much, if anything at all, that details how badly the axle(s) shift off center with a 2.5" lift kit, specifically the Teraflex 2.5" lift kit.

So, for those that have modded their Jeeps with this kit, once you installed the lift, did the axles shift off center any measurable amount? What's been the general experience with any shifting? Of course, my questioning this got to the point that I had to try and get an answer--on Sunday no less when none of the manufacturers are manning the phones.

As far as adjustable track bars go, if needed, does one normally end up with both front and rear track bars being replaced by adjustable or is it it normally the front only? Any assistance is greatly appreciated.

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Old 11-13-2011, 12:11 PM   #2
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I got the same kit, but with shock extensions. The axles will shift when you add a lift.

I got adjustable F/R track bars and didn't use the rear bracket that came with the kit. My F/R axles a perfectly centered. Does it make a difference? I don't know as I centered them when I did the lift so I can't compare.

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Old 11-13-2011, 01:09 PM   #3
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I have a JKU with this kit and I added front and rear JKS track bars about a month after doing the lift...they are not needed with this lift, but they will recenter your axels, probably more so in the front. If you have the choice (and extra budget), I would say go with front lower control arms first. They will help adjust your castor/pinion angles and 'tighten up' your font end so it doesn't feel as soft when driving on the highway at speed. I call it the sailboat effect. But they are also not needed, just nice to have.

I noticed about a 1-1.5 inch axel shift in front and back about 1 inch after doing the lift, but this did not affect performance at all. It is really just cosmetic, and maybe some added strength if you are worried about the track bars bending or breaking when wheeling. The rear relocation bracket that comes in the kit really helps to center the back somewhat.

Again, none of these are not needed, and the shift is hard to see unless you are really looking hard and are a perfectionist (like me)
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Old 11-13-2011, 01:16 PM   #4
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Originally Posted by TanManRubi View Post
I have a JKU with this kit and I added front and rear JKS track bars about a month after doing the lift...they are not needed with this lift, but they will recenter your axels, probably more so in the front. If you have the choice (and extra budget), I would say go with front lower control arms first. They will help adjust your castor/pinion angles and 'tighten up' your font end so it doesn't feel as soft when driving on the highway at speed. I call it the sailboat effect. But they are also not needed, just nice to have.

I noticed about a 1-1.5 inch axel shift in front and back about 1 inch after doing the lift, but this did not affect performance at all. It is really just cosmetic, and maybe some added strength if you are worried about the track bars bending or breaking when wheeling. The rear relocation bracket that comes in the kit really helps to center the back somewhat.

Again, none of these are not needed, and the shift is hard to see unless you are really looking hard and are a perfectionist (like me)
Yea, my problem is, I'm just anal enough about it that if I even think the axles are off center, I'm going to obsess about it. I guess it's a byproduct of being a retired Armor/Cav officer and spending my formative years being around equipment that required a certain level of calibration...drives my wife and sons crazy. But thanks for the reply. I'm fast becoming aware that some of these mods aren't "really necessary", but given my anal retentive personality, I can see myself going through a good portion of my allowance each and every month.
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Old 11-13-2011, 01:21 PM   #5
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Originally Posted by JayHawker45 View Post
Yea, my problem is, I'm just anal enough about it that if I even think the axles are off center, I'm going to obsess about it. I guess it's a byproduct of being a retired Armor/Cav officer and spending my formative years being around equipment that required a certain level of calibration...drives my wife and sons crazy. But thanks for the reply. I'm fast becoming aware that some of these mods aren't "really necessary", but given my anal retentive personality, I can see myself going through a good portion of my allowance each and every month.
Yup, I know the feeling

careful, you will fast find yourself starting thinking about mods you 'need' when in reality, you just 'want'

that's the good and bad about jeeps...so many mods...so many choices...some needed...some not!

It sounds like your mind is already made up, just don't think it will stop with adjustable track bars

Have fun!
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Old 11-13-2011, 01:38 PM   #6
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Track bars will definitely center your axles. I did the TF 2.5 lift with shocks and installed the relocation bracket on the rear axle for the stock track bar. After the install, both front and rear axles had moved to the driver side and it was noticeable. Bought JKS front/rear adj track bars and everything was back to normal. Install your lift and see if you think you need/want track bars. I would get them regardless but some choose to wait and see.

I would also recommend getting your tires re-balanced after your install. Any little off to them after your lift and you'll feel it while driving at the new height. I have a pair of 33" duratracs that have 4K miles on them and they were off. I didn't notice it until I installed my lift. The last thing you want is for something like that to worsen or to affect other parts because they are not balanced back to zero. Its cheap preventable maintenance and it's peace of mind to do it.

Wait...I'm not even on subject anymore am I?

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