baz0157

So here's the current situation...I have a 3.5 inch Rough Country lift on my JKU. The shop who put it on, also put on Rough Country front lower control arms.

I am wanting to upgrade and replace all 8. Can I order any or are they specific to lift height? I was looking at TeraFlex adjustable alpline flexarm kit and the Rock Krawler X factor mid arm package.

I guess my question is, will either of these set ups work for me?? or should I be looking at something else??

sa29560

My jeep has ran the synergy, Currie, and metal cloak arms all at one time or another.

Even with what I have now the synergy were the easiest to adjust and if I had to do it all over I'd get them again. The alpine are very similar being as they adjust installed if I recall correctly.

Chuck-The-Ripper

RK arms are a pain in the ass to adjust and even a bigger pain to get the joints centered. They're what I run and I wouldn't recommend them for that reason.

larry0071

What he said ^^^^^^

I have a set of front lower RK arms, and after pissing with them for hours... off and on, off and on... I would never buy them again. Yea, they are beefy looking, massive, solid and likely would survive an IED blast. But the Synergy system that can adjust in place sounds like the way to do it. I'll be eventually going Synergy for all 8.

baz0157

Synergy it'll be then!! Thanks for the info guys...and Chuck-The-Ripper you still up for offering some help?? Figure I should have someone who knows what they're doing while I'm learning how to do my own installs....

kjeeper10

Why do you feel the need for all 8 ? Are the RC's giving you issues?

baz0157

Truthfully, I don't know a whole lot about them. I'm in the process of learning and wanting to be able to do my own work. Along with getting the best out of my ride. Changing all 8 is just an upgrade I wanted to do. If all 8 being charged isn't something I need then I won't.

kjeeper10

A JKU only really benefits with front lowers. Rear uppers if running a aftermarket DS.
Both sets of rears allows the rear axle to be moved back.
Front uppers dont do much (with lowers) with a full set.

TheDirtman

You can keep the RC fronts if you want and just get the balance of the arms. No reason you have to re-buy the front lowers but you may find all 8 in a package deal. I would second the synergy because of the double adjusters and off road evolution has arms with double adjusters and Johnny joints. A full set of arms will allow you to dial, caster, rear pinion angle, and allow you to regain the loss of wheel base that you lost with the lift. Just doing front lowers and rear uppers only allow you to rotate the axles. Take a good look at the joints that are one the arms as they are really what differentiate the arms other then offering the double adjusters. The teraflex joint has a poor track record, the johnny joint is race proven over the years, and synergy has a new joint that is similar to the metal cloak joint that offers more flex then stock and a more comfortable ride in terms of vibration dampening.

kjeeper10

The TF Alpine arms use Clevites, are not double adjustable but have a clamp instead of jam nuts.