Rockjock Johnny Joint Adjustable Rear Upper Control Arms for 2021–2025 Ford Bronco – Steel Construction

Description

Fits: 

2021-2025 Ford Bronco

RockJock’s Johnny Joint Rear Upper Control Arms are the ultimate upgrade for your 2021+ Ford Bronco’s suspension. Designed for strength, articulation, and precision alignment, these heavy-duty, adjustable-length control arms are ideal for lifted Broncos that need correct pinion angle adjustment for optimal drivetrain geometry.

Constructed from 1-5/8″ OD x .250″ wall DOM steel tubing, each arm is equipped with RockJock’s 2-1/2″ Johnny Joints featuring massive 1-1/4″ RH/LH threads and jam nuts. These joints provide over 30° of articulation per end, delivering unmatched off-road flexibility while maintaining smooth, quiet on-road performance.

Features:

• Built from heavy-duty DOM steel for superior strength and durability

• Double adjustable design allows easy length tuning without removal

• Features Johnny Joints for quiet, high-articulation performance

• Fully greaseable with included zerk fittings

• Semi-gloss black powder coat finish on arms; gold zinc plating on joints

• Perfect for lifted Broncos to fine-tune rear pinion angle and suspension geometry

Adjustment Range:

• Collapsed Length: 13.900 in.

• Extended Length: 16.000 in.

Includes:

• (2) Johnny Joint Rear Upper Control Arms

• Pre-installed Johnny Joints with jam nuts

Specifications:

• Tube Construction: 1-5/8″ OD x .250″ wall DOM steel

• Threads: 1-1/4″ RH/LH

• Finish (Arms): Semi-gloss black powder coat

• Finish (Joints): Gold zinc plating

Notes:

• Factory hardware is reused for installation

• Use non-synthetic, high-moly lube grease such as RockJock CE-9013G

• Compatible with Johnny Joint Tool CE-9110T

• Ideal for lifted applications needing precise axle alignment

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