RockNut 21-Up Bronco Billet Aluminum Johnny Joint Rear Control Arm Set Double Adjustable RockJock 4x4

Skip to product information
1 of 1

RockJock 4x4

SKU:RJ-182401-101

Regular price $1,650.00
Regular price Sale price $1,650.00
Sale Sold out
Shipping calculated at checkout.
Quantity
View full details

RockJock's RockNut Billet Aluminum Johnny Joint Control Arm Set for the 2021-up Bronco provides you with extremely heavy duty upper and lower, 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 double adjustable arms make this job that much easier because neither end of the arm has to be removed from the vehicle for adjustment!

These arms are CNC machined from 7075-T6 aluminum, feature our patent pending RockNut locking nut technology and our 2 1/2 inch Johnny Joints with massive 1 1/4 inch RH and LH threads!

Arms are fully greasable, fully adjustable and feature machined-in wrench flats. Finished in clear anodize on the arms and gold zinc plating on the Johnny Joint ends.

Kit Fits:

  • 2021-up Bronco - All Models

Kit Includes:

  • Johnny Joint Billet Aluminum Rear Upper Control Arms (Pair)
  • Johnny Joint Billet Aluminum Rear Lower Control Arms (Pair)

Adjustment Range:

  • Upper Arms Closed - 13.900 in.
  • Upper Arms Extended - 16.000 in.
  • Lower Arms Closed - 25.100 in.
  • Lower Arms Extended - 27.000 in.

Notes:

  • Factory hardware is retained to attach arms to the axle and the chassis.
  • Upper arms are fabricated from 1 5/8 in. solid 7075-T6 aluminum bar.
  • Upper Arm RockNuts require a 1 3/4 in. wrench
  • Upper Arm wrench flats require a 1 1/2 in. wrench.
  • Lower arms are fabricated from 2 in. solid 7075-T6 aluminum bar.
  • Lower Arm RockNuts require a 1 7/8 in. wrench
  • Lower Arm wrench flats require a 1 3/4 in. wrench.
  • Adjusters feature 1 1/4 in.-12 RH and LH threads.
  • Johnny Joint ends are fully rebuildable - should the need arise.
CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Vehicle Fitment

Year Make Model Trim
2021 Ford Bronco First Edition
2021–2023 Ford Bronco
2021–2024 Ford Bronco Black Diamond
2021–2024 Ford Bronco Wildtrak
2021–2025 Ford Bronco Badlands
2021–2025 Ford Bronco Big Bend
2021–2025 Ford Bronco Outer Banks
2022–2024 Ford Bronco Everglades
2022–2025 Ford Bronco Raptor
2023–2024 Ford Bronco Heritage Limited Edition
2023–2025 Ford Bronco Heritage Edition
2025 Ford Bronco
2025 Ford Bronco Stroppe Edition