RockJock Johnny Joint RockNut Adjustable Rear Upper Control Arms; Billet Aluminum (21-25 Bronco)Find parts that fit my vehicle

High-Performance Adjustable Control Arms. The RockJock Johnny Joint RockNut Adjustable Rear Upper Control Arms (Billet Aluminum) are engineered to replace factory control arms on 2021–2025 Ford Bronco models, providing enhanced durability and articulation. These control arms are essential for aligning lifted vehicles and achieving correct pinion angles, ensuring optimal drivetrain performance both on and off the road.

Construction and Appearance. Crafted from solid 1 5/8-inch 7075-T6 billet aluminum, these control arms are CNC-machined for precision and strength. They feature RockJock's patent-pending RockNut locking nut technology and 2.5-inch Johnny Joints with massive 1.25-inch RH/LH threads. The arms are finished in clear anodize for corrosion resistance, while the Johnny Joint ends are gold zinc-plated, offering both durability and a sleek appearance.

Installation. Installation is straightforward, utilizing existing factory hardware to attach the arms to the axle and chassis. No drilling is required; however, lowering the gas tank may be necessary to access the chassis bolt during installation.

Warranty. There is a limited 2-year warranty included when you purchased this product, providing peace of mind and assurance of its quality and durability.

Application. This RockJock Johnny Joint RockNut Adjustable Rear Upper Control Arms (Billet Aluminum) fits 2021–2025 Ford Bronco models.

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