Tuff Country Radius Arm Lift Kit – 5" Lift (Pair, Arms Only)
Upgrade your suspension setup with this Tuff Country Radius Arm Kit, designed specifically for trucks equipped with a 5-inch lift. Built with a low-profile tubular design, these heavy-duty radius arms improve suspension geometry, enhance articulation, and deliver better overall performance both on and off the road.
Unlike traditional drop brackets, these radius arms help maintain proper axle alignment and pinion angle without sacrificing ground clearance—making them an ideal upgrade for serious off-road enthusiasts.
Key Features:
Designed for use with 5-inch suspension lift kits
Low-profile tubular design for improved clearance
Enhances suspension articulation and flexibility
Improves steering response and turning radius
Maintains proper axle geometry and alignment
Eliminates need for radius arm drop brackets
Durable construction for off-road performance
Sold as a pair (driver & passenger side)
Product Details:
Brand: Tuff Country
Part Number: 145144-03954284
Condition: New
Lift Compatibility: 5-inch lift systems
Type: Radius Arms Only (no shocks or full kit included)
Fitment:
2018 Ram 3500 – 4WD
5.7L V8
6.4L V8
6.7L 6-Cylinder Diesel
Shipping: Free ground shipping available
Why It Matters:
Radius arms are critical suspension components that control axle positioning and alignment. Upgrading to these arms helps maintain proper geometry after lifting your truck, improving ride quality, handling, and long-term component durability.
A smart upgrade for lifted trucks, this kit delivers better clearance, improved handling, and enhanced off-road capability without compromising strength or reliability.
Tuff Country Radius Arm Lift Kit 5in delivers improved ground clearance, durable construction, and enhanced suspension performance for off-road use.