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Ball Joint Upper Control Arms [DK-812991]

Regular price $649.99

Unit price per 


The Dirt King ball joint upper control arms are engineered to improve suspension geometry, enabling additional front lift when paired with Dirt King shocks. Lifting a vehicle with stock upper control arms compromises both the geometry and structural strength due to excessive articulation at the factory joints. The Dirt King arms address these issues with improved caster settings for enhanced handling and re-engineered pivot angles for increased articulation. The inner pivots feature Probearing Pro 2 Series bushings, offering the ideal combination of a free-spinning inner sleeve, typical of poly bushings, with the maintenance-free and greaseless advantages of OE elastomer bushings. Additionally, the standard ball joints have been upgraded to heavy-duty Moog ball joints ensuring superior durability. All components of these upper control arms are rebuildable or replaceable, promoting long-term durability and ease of maintenance. These arms arrive preassembled with detailed instructions for a straightforward installation.



  • Wheel Travel: Additional 1” of travel compared to stock
  • Amount of Lift: Allows for 0-3” of lift
  • Track Width: Stock
  • Maximum Backspacing: 4.75”
  • Minimum Rim Size: 16”
  • Coil over Shock Size:Factory or OEM replacement coilovers

Tire Info

The upper control arms will allow for 33” tires but the front section of the cab mount may need to be cut to avoid tire rubbing while turning. In addition the front bumper may require trimming for proper tire clearance.

 What's Included

  • Chromoly upper control arms
  • Probearing Pro 2 Series bushings
  • Moog ball joints
  • Ball joint caps
  • Dirt King sticker pack
  • Installation instructions


    • CAD designed 
    • Formed steel bushing gussets
    • Constructed with 4130 chromoly tubing
    • Preassembled for fast installation
    • Maintenance free bushings
    • Zinc plated components for corrosion resistance
    • Durable black powder coat
    • Professionally MIG welded
    • Proudly made in the USA
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