Fabtech Radius Arm Kit

2014–2018 Ram 2500

K3072DL

Overview:

The Fabtech Radius Arm Kit is engineered specifically for 2014 to 2018 Ram 2500 models, delivering a robust 5-inch suspension lift designed to enhance off-road capability and on-road comfort. This kit integrates seamlessly with the factory upper coil bucket, reinforced with support gussets for exceptional strength and durability. Featuring Dirt Logic 4.0 Coilovers with remote reservoirs, it provides superior damping performance for both highway cruising and rugged terrain. Ideal for Ram 2500 owners seeking a reliable, high-performance suspension upgrade that supports larger tires and aggressive wheel setups.

Key Features:

This comprehensive radius arm lift system offers a blend of strength, durability, and ride quality enhancements:

• 5-inch suspension lift tailored for Ram 2500 trucks from 2014 to 2018
• Utilizes factory upper coil bucket reinforced with support gussets for added rigidity
• Lower mounts weld directly to the axle housing with cross support gussets for the factory TracK Bar bracket
• Dirt Logic 4.0 Coilovers feature stainless steel bodies for maximum corrosion resistance
• Remote billet aluminum reservoirs improve shock cooling and performance consistency
• Super smooth highway ride combined with outstanding off-road damping capabilities
• Supports tire sizes up to 37 inches with minor trimming required for wheels with 5-inch backspacing
• Compatible with multiple wheel sizes including 17x9, 18x9, 20x9.5, and 22x9.5

Construction & Design:

Fabtech’s Radius Arm Kit is built with durability and performance in mind. The system leverages the factory coil bucket, reinforced with gussets to withstand heavy loads and off-road stresses. The lower mounts are welded to the axle housing, providing a solid foundation enhanced by cross support gussets that maintain the integrity of the factory TracK Bar bracket. The Dirt Logic 4.0 Coilovers feature stainless steel bodies that resist corrosion and wear, paired with remote reservoirs machined from billet aluminum to ensure optimal shock fluid temperature management and consistent damping performance.

Installation & Fitment:

Installation of the Fabtech Radius Arm Kit requires welding the lower mounts to the axle housing and minor trimming of the fender or wheel well area to accommodate larger tires. The kit is designed to fit a wide range of Ram 2500 trims including Big Horn, Laramie, Laramie Limited, Laramie Longhorn, Limited, Lone Star, Outdoorsman, Power Wagon, SLT, and Tradesman models from 2014 through 2018. Professional installation is recommended to ensure proper alignment and suspension geometry.

What's Included:

• Radius arm lift system components
• Factory upper coil bucket support gussets
• Lower axle housing mounts with cross support gussets
• Dirt Logic 4.0 Coilover shocks with stainless steel bodies
• Remote billet aluminum reservoirs
• Hardware and installation instructions

Ideal For:

This kit is perfect for Ram 2500 owners who want to upgrade their suspension for enhanced off-road performance without sacrificing on-road comfort. It supports larger tires up to 37 inches, making it ideal for enthusiasts who require improved ground clearance and suspension articulation for trail riding, rock crawling, or heavy-duty work applications. The combination of rugged construction and advanced shock technology ensures a balanced ride quality across diverse driving conditions.

Fabtech is an off-road suspension leader producing lift kits, shocks, and related components to increase ride height, clear larger tires, and improve capability. Their systems are engineered for specific trucks and SUVs, blending on-road drivability with the added travel and strength enthusiasts want for trails, desert runs, and overland builds.