If you're installing FASS Fabrication Radius Arms on your Ram 2500 or 3500, you're already on the right track toward improving suspension performance, front-end stability, and overall durability.
To help customers and installers through the process, we’ve released a full step-by-step installation video showing exactly how to install FASS Fabrication Radius Arms properly.
Whether you're installing them yourself or having a shop handle it, this guide and video will walk you through the process.

Watch the Full Installation Video
This video shows the complete installation process for FASS Fabrication Radius Arms, including removal of factory components and proper installation of the new arms.
Why Upgrade to FASS Fabrication Radius Arms?
Designed and manufactured in-house at FASS Fabrication, these Radius Arms for the 2014+ Ram 2500/3500 are perfect for daily drivers, work trucks, and all-out show builds alike.
Combining strength, rigid construction, and neck-breaking looks, FASS Fabrication Radius Arms take your truck's appearance to a whole new level.
Basic Installation Overview
The installation process includes the following general steps:
- Safely lifting and supporting the vehicle
- Removing the factory radius arms
- Installing the FASS Fabrication Radius Arms
- Torquing all hardware to proper specifications
- Have a qualified shop adjust and/or verify suspension alignment
The full video above shows each step in detail.

Installation Tips and Best Practices
For best results, we recommend:
- Using proper jack stands and or vehicle lift
- Installing on a level surface
- Following proper torque specifications
- Inspecting surrounding suspension components during installation
Proper installation ensures long-term reliability and performance.
Professional Installation Available at FASS Motorsports
If you prefer professional installation, our team at FASS Motorsports in Washington, Missouri can install FASS Fabrication Radius Arms for you.
Our technicians install suspension upgrades regularly and ensure everything is installed correctly and safely.

Have questions? We're here to help.
- Phone: 636-429-7020
- Email: info@fassmotorsports.com
FASS Motorsports
25 Town and Country Drive
Washington, MO 63090