RockJock Johnny Joint Rear Lower Control Arm Set Steel Adjustable - 2021+ Bronco

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RockJock 2021+ Bronco Johnny Joint Rear Lower Control Arm Set Steel Adjustable

RockJock’s Johnny Joint Rear Lower Control Arm Set for all 2021-up Broncos provides you with extremely heavy duty, adjustable length control arms to replace your factory control arms.

Adjustable Control Arms are a must for aligning lifted vehicles to get your pinion angle specs. in check and our double adjustable design allows you to easily adjust the length of the arms without removing either end from the vehicle!

These arms are fabricated from 1 5/8 in. o.d. x .250 in. wall d.o.m. steel tubing and feature our 2 1/2 in. Johnny Joints with massive 1 1/4 in. RH/LH threads and corresponding jam nuts!

Johnny Joints, the original and most durable high-articulation urethane suspension joint on the market, 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 via zerk fittings. Finish is semi-gloss black powder coat on the arms and gold zinc plating on the Johnny Joint ends.

Kit Fits:

  • 2021-up Bronco – All Models

Kit Includes:

  • Johnny Joint Rear Lower Control Arms (Pair)

Adjustment Range:

  • Closed – 25.100 in.
  • Extended – 27.000 in.


  • Factory hardware is retained to attach arms to the axle and the chassis.
  • 1 5/8 in. o.d. x .250 in. wall d.o.m. steel tubing.
  • Adjusters feature 1 1/4 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


This Part Fits:

Year Make Model Submodel
2021-2023 Ford Bronco Badlands
2021-2023 Ford Bronco Base
2021-2023 Ford Bronco Big Bend
2021-2023 Ford Bronco Black Diamond
2022-2023 Ford Bronco Everglades
2021 Ford Bronco First Edition
2023 Ford Bronco Heritage Edition
2023 Ford Bronco Heritage Limited Edition
2021-2023 Ford Bronco Outer Banks
2022-2023 Ford Bronco Raptor
2021-2023 Ford Bronco Wildtrak

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