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RockJock Rear Lower Johnny Joint Control Arm Set for all JT Gladiator models provides you with extremely heavy duty, adjustable length control arms to replace your factory control arms. Adjustable arms are a must for aligning lifted vehicles to get your pinion angle specs. in check!
These arms feature RockJock’s 2 1/2 in. Johnny Joints with massive 1 1/4 in. RH/LH threads! 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. Learn more here.
Arms are fully greasable and are finished in semi-gloss black powder coat.


Kit Fits:

  • JT Gladiator – All Models


Kit Includes:

  • Johnny Joint Rear Lower Control Arms (pair)


Adjustment Range:

  • Closed – 23.303 in.
  • Extended – 26.063 in.



  • Factory hardware is retained to attach arms to the axle and the chassis.
  • Arms are fabricated from 1.625 in. x .250 in. wall DOM steel tubing.
  • Adjusters feature 1.25 in.-12 RH & LH threads.
  • Johnny Joints require non-synthetic, hi-moly lube grease such as our CE-9013G
  • Applicable Johnny Joint Tool for these Control Arms:  CE-9110T


Parts List:

  • Complete Johnny Joint Adjuster End (RH Thread):  CE-9114-28
  • Complete Johnny Joint Adjuster End (LH Thread):  CE-9114L-28
  • Johnny Joint Rebuild Kit:  CE-9110RK
  • Johnny Joint Pivot Ball:  CE-91102-28
  • Zerk Fitting:  CE-1103K21

RJ-150400-101 - JT Rear Lower Johnny Joint Control Arms

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