Do I need lower control arms on my lift kit?

If you lift your 4WD, altering your vehicles geometry, then yes you will need adjustable upper control arms. An aftermarket control arm, when designed correctly like SuperPro 4×4 Control arms, will correct alignment and inherent clearance issues that arise when you lift or modify the suspension of your 4WD.

Do you need new control arms for a 3.5 inch lift?

Yes, only need rear uppers to adjust the pinion angle for a double cardan. If you’re doing only front, which I recommend for 3.5, then you only need front lowers to set the caster angle.

Do you need upper control arms for 2.5 inch lift?

Yes, as far as caster correction, the front lower control arms will allow full correction.

Does Jeep need adjustable upper control arms?

As mentioned, you only need to get adjustable control arms if you have a CV style rear driveshaft with slip yoke eliminator where the correct pinion angle is directly in line with the driveshaft or to correct caster angle on the front axle.

Do you need new control arms for a 2 inch lift?

If you are only doing a 2 inch level you do not need new upper control arms. Once you go above 2 inches you need to consider it.

Do you need new control arms for a 6 inch lift?

If your truck has stamped steel upper control arms and you want to level or 6″ lift your truck—you will need to install either an aftermarket upper control arm OR purchase the factory aluminum upper control arms to replace your stamped control arms.

What do adjustable control arms do Jeep?

Control Arms are one of the most common parts that get beefed up on a Jeep, especially when you’ve lifted it, or plan to really put it to work on the trails… Their primary function is to control the up and down movement of the suspension when you’re on the roads or driving over terrain.

What do upper control arms do Jeep Wrangler?

Generally, upper control arms are used to adjust pinion angle and caster. Caster and pinion angle are ties together with 6 degrees of seperation on the JL. Same goes with the rear, first is to adjust axle location and then to adjust pinion angle.

What do adjustable control arms do for a Jeep?

Smaller lift kits and most older Jeep models utilize an adjustable control arm kit. Adjustable control arms allow you to center your axle with your wheel well and set your pinion angle.

Does Bilstein make upper control arms?

Our new B8 Upper Control Arms are designed to correct geometry and increase suspension travel on lifted trucks and SUVs.