Black Radius Arm Upgrade Kit - for 2-6" Lift - (Pair)

Features:

• Fits 2005–2022 Ford F250/F350 Powerstroke 4WD
• Compatible with 2" to 6" front lift setups
• Direct upgrade for factory radius arms
• Durable black powder coat finish
• Uses factory hardware for frame mounting
• Includes cam lock hardware for axle install
• Improves strength and suspension articulation
• Eliminates need for drop brackets under 4"
• Allows more precise caster alignment adjustments
• Can be used with drop brackets at 6" lift
• Designed for long-term durability and performance

Upgrade Your Front End Without Looking Back

If your factory radius arms are holding back your lifted Super Duty, the BDS Radius Arm Upgrade Kit is the smart solution that brings strength, clearance, and control back to the table. Designed for 2005–2022 Ford F250 and F350 4WD trucks, these heavy-duty arms are built to handle the added stress that comes with running bigger tires and off-road suspension. Whether you're cruising down the highway or crawling over rocks, these arms offer improved stability and reduce unwanted flex compared to stock components. The black powder coat finish adds a clean, aggressive look while helping to resist corrosion over time. If you're currently running a 2-4" inch lift without drop brackets, this upgrade bolts right in using factory frame mounts, delivering an instant boost in front-end confidence. At 6 inches of lift, they can be paired with drop brackets, though caster angles may need fine-tuning if you’re using cam bolts. With a blend of strength and simplicity, these arms are a great way to level up your suspension without overcomplicating the install.

Engineered For Lifted Performance And Caster Control

The BDS 123251 Radius Arm Upgrade Kit is designed with precision and durability in mind, offering a bolt-in solution for 2005–2022 Super Duty trucks with 2-6" inches of front lift. These arms reuse the factory frame mounting hardware and include upgraded cam lock hardware for secure axle mounting. On trucks with 2-4" inches of lift, they’re intended to replace stock arms directly without the use of drop brackets, maintaining proper geometry and minimizing additional components. For those running 6 inches of lift, the arms can be installed alongside existing BDS drop brackets, though alignment should be checked if ball joint cams are already installed. The improved arm structure helps reduce deflection under load, especially when running heavier wheels and tires or towing at capacity. Their black powder coat finish not only looks sharp but also provides long-term corrosion resistance in harsh environments. By improving caster control and reducing stress on the front end, these arms are a functional upgrade that blends performance with practicality.

Fitment:  2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 Ford F250/F350 Powerstroke 4WD w/ 2-6" Front Lift

Notes:

• Fits 2005–2022 Ford F250/F350 Powerstroke 4WD models
• Designed for trucks with 2-6 inches of front lift
• Not compatible with radius arm drop brackets on 2-4" lifts
• Can be used with drop brackets at 6" lift height
• Reuses factory mounting hardware at the frame
• Includes cam lock hardware for axle installation
• May require caster adjustment if ball joint cams are installed
• Offers a direct replacement for factory radius arms
• Improves strength, clearance, and front-end alignment control
• (2) BDS Black Radius Arm Upgrade Kit
• Product images may be representative

Install Instructions