Are Jeep TJ lower control arms the same front and rear?
on the TJ, the factory lower control arms are the same length front and rear. when you install a lift that won’t be the case anymore. the front lowers should be adjustable, and extended – by how much will depend on the compromise you strike between caster and pinion angle.
What is correct control arm length for TJ control arms?
Reuse the factory mounting bolts. 5) For 3-4.5” of lift, we recommend a lower control arm length of 16”. Adjust the upper control arms to get the correct amount of caster, usually 4-6 degrees. 6) An upper control arm length of 15-1/8” is recommended when using a lower control arm length of 16”.
How many control arms on a Jeep TJ?
Registered. Control arms mount the axles to the frame. Stock, there are four contol arms to each axle: two passenger side (upper and lower) and two driver side (upper and lower).
Do I need adjustable control arms?
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.
What does a upper control arm do on a Jeep?
Their primary function is to control the up and down movement of the suspension when you’re on the roads or driving over terrain.
Do jeeps have upper control arms?
The control arm on your Jeep does the job of locating the axle front-to-back. Consequently the track-bar is what locates the axle side-to-side. Together the four arms (two upper and two lower) along with the track-bar keep the axle under your Jeep where it should be.
How long should my control arms be?
Start the upper control arms at the factory length of 18.75”. For 3-4.5” light heights we recommend a lower control arm length of 23.25” measured from the center of the control arm bushings. Adjust the arms as necessary for the correct amount of castor (usually 4-6 degrees).
Do I need upper control arms for a 4 inch lift?
Do I need new control arms for a lift kit?
Summary. If you’re adding a lift kit to your vehicle, remember that the upper control arm influences wheel travel, suspension durability, and wheel alignment. If you’re looking for a suspension modification that improves overall vehicle performance with no compromises, a replacement control arm is a good place to start …
Do upper control arms improve ride?
Should I upgrade control arms on my lift kit?
The most common reason to replace a control arm is to improve wheel travel as part of a suspension lift. However, a new control arm can offer more than just increased ride height (lift) and additional wheel travel: Increased durability in the arm itself. A wider range of uniball/ball joint options.