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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. Basically any time the suspension is moving.
Whether you are traversing through the bumpy hills, or you just want to blast through the rocky terrain while igniting your passion for off-roading, driving over these surfaces can be quite tricky. This is where control arms come in handy.
Basically, control arms are designed to help improve your vehicle's directional stability, torque, and traction on rough terrains. For heavy-duty Jeep tires or lifted rigs, an aftermarket Jeep control arm will work twice as hard to minimize tire deflections and extend Jeep axles to prevent axle wrapping during hard wheeling.
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. BASICALLY, THEY SWING INTO ACTION ANY TIME THE SUSPENSION IS MOVING.
The primary function of a Jeep control arm is to control the up and down movement of the suspension when you're on the roads or driving over the terrain. By connecting your vehicle's wheels to the steering rack, the control arm is able to maintain proper wheel rotation any time the suspension is moving, thus improving overall vehicle handling
Control Arms are one of the most common parts that get beefed up on a Jeep, especially when you have lifted the Jeep or plan to really put it to work on the trails.
Jeep JK Wrangler's front control arms (there are two of them) will connect from the frame or unibody of the Jeep, up to the differential housing (or a bracket on the housing).
There are two basic kinds of Control Arms used by every off-roader. One is a "fixed" position arm, where the end is affixed to the tube portion. The other is an "adjustable" arm where the end can rotate for a further adjustment, especially on lifted vehicles.
They can also determine (or alter) the wheelbase of your Jeep. The longer the arm, for instance, the more the differential can be "pushed forward." On a lifted Jeep, this can help keep the larger tires centered in the wheel well, for less chance of rubbing and interference. The wheelbase is the measurement from the center of the rear wheel to the center of the front wheel. Moving the differential forward or backward changes that measurement.
Control Arms also affect the pitch/pinion angle of your differential. Getting the correct angle, especially on a lifted Jeep, is crucial to minimize vibration in your driveshaft and drivetrain. Do you know how a small vibration can suddenly become a big one? Double checking your Control Arms would be a good idea in such cases.
On stock control arms, the bushings can go bad and get fatigued. More so, they come nowhere near their aftermarket counterparts when it comes to durability and overall performance. So a visual inspection every now and then is required to ascertain when and how fast you need to swap out your factory-fitted control arms. If they need replacing, we carry plenty of alternative Control Arms for different kinds of Jeeps and different types of driving here at ExtremeTerrain.
By installing our aftermarket Jeep control arm, you can easily augment your suspension and lift system to enhance stability and traction on any surface. You can opt for either upper control arms or lower control arms that will bolt directly onto your rig's front and rear sides.
Note: there are arms on the back of some Jeeps as well, like a JK Wrangler, that render a similar function.