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Uniball Upper Control Arms

Fabtech's Uniball Upper Control Arms are designed for severe duty use with stock and most aftermarket suspension systems. These Arms replace the thin stock upper control arms that are prone to flex and ball joint failure with heavy duty construction that is designed for aggressive offroad driving.


Fabtech Uniball Upper Control Arms directly replace the factory upper control arms for use on stock, aftermarket or Fabtech suspensions providing additional strength and reliability to the vehicle.


Enthusiasts that desire a mild lift height suspension with increased damping and wheel travel Fabtech offers the Uniball Upper Control Arms with Dirt Logic 2.5 Coilover front shocks and Dirt Logic 2.25 rear shocks as a complete system. These matched systems allow for up to 10" of wheel travel for high speed offroad use.

1. Uniball Gusset

All Arms feature a welded gusset that reinforces the Uniball cup to the Chromoly Arm tubes for exceptional strength.


2. Uniball

Large 1" ID Stainless Steel PTFE lined American made FK Uniball bearing is indexed to the Arm to allow for increased travel when utilizing Dirt Logic Coilover shocks.

3. Barrel Gusset

Bushing barrels and Chromoly Arm tubes are strengthened by welded gussets to distribute load across both parts rather than at just the point of the welded barrel.


4. Bushings

Greaseable polyurethane bushings provide a smooth connection to the frame without squeaks.


5. Barrel

Thick .250" wall DOM tubing is used on the bushing barrels to alleviate the possibility of failure in severe duty use.

6. Tubing

Arms are constructed with .120" wall 4130 Chromoly tubing that is used in Trophy Truck fabrication for unsurpassed strength. GM vehicle Arms feature 1.50" OD tubing while all others are 1.25" OD.


7. Nameplate

Look for the embossed nameplate as the signature of Fabtech quality.

8. Pin

Heat treated 17-4 stainless steel Uniball Pin is super strong and allows installation without modification to the spindle. Arms can be removed and returned back to stock without issue.


9. Misalignment

Constructed of 17-4 stainless these misalignments allow the Uniballs to travel without interference to the arm or spindle while adding strength to the cross section of the Pin.