JL Adjustable Control Arm 8 piece full kit

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JL Adjustable Control Arm 8 piece full kit

The RockJock® Johnny Joint® Control Arm Set for all Jeep® JL Wrangler models provides you with extremely heavy duty, adjustable length control arms to replace all 8 of your factory control arms. Adjustable control arms are an absolute must after your lifting your vehicle to get your caster & pinion angles back in check!
Arms feature RockJock’s Johnny Joints, the original and most durable high-articulation urethane suspension joint on the market. Johnny Joints feature a smooth steel ball that pivots inside a proprietary urethane shell to provide over 30 degrees (per joint) of quiet, shock dampening articulation - without the excessive deflection found in soft rubber-based “flex joints”. Johnny Joints deliver a smooth, comfortable on-road ride with the ultimate in off-road capability. They are so trusted, that they are used by multiple commercial suspension companies, for both street and off-road suspension systems.
Arms are fully greasable and are finished in semi-gloss black powder coat.

Kit Fits:

  • Jeep Wrangler JL Unlimited (4-door) – All Models
  • Jeep Wrangler JL (2-door) – All Models

Kit Includes:

  • Johnny Joint Front Upper Control Arms
  • Johnny Joint Front Lower Control Arms
  • Johnny Joint Rear Upper Control Arms
  • Johnny Joint Rear Lower Control Arms

Adjustment Range:

  • Front Upper  =  19.650” Closed   &   20.705” Extended
  • Front Lower  =  23.900” Closed   &   25.280” Extended
  • Rear Upper  =  17.075” Closed   &   18.690” Extended
  • Rear Lower  =  19.915” Closed   &   21.295” Extended


  • Arms retain all factory hardware to attach them to the axle and the chassis.
  • Upper arms are fabricated from 1.25” x .188” wall DOM steel tubing, lower arms are 1.625” o.d. x .250” wall DOM steel tubing.
  • Upper arms feature 1”-14 threads, lower arms feature 1.25”-12 threads.
  • Arms are fully rebuildable – should the need arise.
Brand Rock Jock 4x4
Shipping Weight 31.0000kg
Shipping Width 0.560m
Shipping Height 0.200m
Shipping Length 0.140m
Shipping Cubic 0.015680000m3

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