122321 Radius Arm Upgrade

Features:

• Fits 2014-2026 Ram 2500 4WD trucks
• Fits 2013-2024 Ram 3500 4WD trucks
• Heavy-duty upgrade over factory stamped arms
• Built from 1.75" OD steel tubing
• Fully welded with gussets for added strength
• Designed for 2-6" lift applications
• Corrects caster and suspension geometry
• OE-style rubber bushings reduce road noise
• No maintenance required on bushings
• Improves ground and tire clearance
• Durable textured black powder coat finish
• Direct bolt-on replacement with no cutting

Give Your Lifted Ram The Strength It Should Have

If your Ram is running a lift, the factory stamped radius arms are one of the first weak points that deserve attention. The BDS Radius Arm Upgrade is built for owners who want more confidence behind the wheel and more durability under the truck. These heavy-duty tubular arms replace the thin factory units with a much stronger design that feels solid the moment you hit the road. Steering response tightens up, suspension movement feels more controlled, and the truck tracks straighter at highway speeds. While off-road, the added clearance and strength make a noticeable difference when navigating uneven terrain or larger tires. What’s more, the OE-style rubber bushings keep noise and vibration in check, so you do not give up ride comfort for strength. It is the kind of upgrade you appreciate every time you drive, whether you are commuting or working the truck hard.

Engineered Geometry Correction For Lifted Ram Suspensions

The BDS 122321 Radius Arm Upgrade is designed specifically for 2014-2026 Ram 2500 and 2013-2024 Ram 3500 4WD trucks running 2-6" inches of lift. Each arm is fabricated from 1.75-inch heavy wall steel tubing and fully welded with gussets to handle the added stress of lifted suspension systems. Integrated cam slots allow for easy caster adjustment, helping restore proper alignment and steering feel after installing a lift kit. Compared to factory stamped arms, these provide improved ground clearance and better tire clearance, especially when running larger tires. The large OE-style rubber bushings are maintenance-free and help isolate noise, harshness, and vibration during daily driving. A durable textured black powder coat finish protects against corrosion and trail abuse. Best of all, these arms bolt directly in place of the factory units with no cutting or fabrication required, making them a smart upgrade for long-term performance and reliability.

Fitment: 

-2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 RAM 2500 4WD w/ 2-6" lift

-2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 RAM 3500 4WD w/ 2-6" lift

Notes:

• Fits 2014-2026 Ram 2500 4WD and 2013-2024 Ram 3500 4WD
• Designed for trucks with 2-6" of suspension lift
• Not compatible with trucks running factory radius arms without lift
• Direct bolt-on installation with no cutting or welding required
• Corrects suspension geometry and caster after lifting
• Improves ground and tire clearance compared to stock arms
• OE-style rubber bushings require zero maintenance
• May require alignment after installation for optimal handling
• Durable powder coat finish resists corrosion and wear
• Upgrading radius arms is recommended when running larger tires
• Prop 65 warning label

Install Instructions