Fabtech Radius Arm System

2005–2007 Ford F-350 4WD

Part #: K20122DL

Overview

The Fabtech 6" Radius Arm System with DLSS 4.0 Coilover & Rear DLSS is a comprehensive suspension upgrade designed specifically for 2005–2007 Ford F-350 4WD trucks. Engineered to provide exceptional off-road capability, improved ride quality, and a commanding stance, this system is ideal for enthusiasts who demand durability and performance both on and off the trail. Whether you're tackling rugged terrain or seeking a bold new look for your truck, this kit delivers reliable lift and superior handling.

Featuring a patented radius arm design, this system replaces the factory components with a full tubular structure reinforced by dimple die side plates, ensuring maximum strength and longevity. The adjustable alignment cam at the axle allows for precise caster adjustments, helping you achieve optimal alignment and tire wear. The front lift is achieved through the Dirt Logic 4.0 Stainless Steel Coilover Shock conversion, offering adjustable damping and superior off-road performance. The rear lift is supported by a block and u-bolt kit, providing a balanced and stable ride height. Complete with front and rear 2.25-inch Dirt Logic Stainless Steel shocks, this system ensures a smooth, controlled ride across challenging terrains.

Key Features

The Fabtech Radius Arm System is built with high-quality materials and innovative design features to enhance your truck's capabilities:

• Full tubular radius arms with dimple die side plates for increased strength and durability in demanding off-road conditions.
• Adjustable alignment cam at the axle for precise caster adjustment, improving steering response and tire wear.
• Front lift achieved via Dirt Logic 4.0 Stainless Steel Coilover Shocks, offering adjustable damping for tailored ride quality and superior off-road handling.
• Rear lift provided by a block and u-bolt kit, maintaining proper driveline angles and stability.
• Includes front and rear 2.25-inch Dirt Logic Stainless Steel shocks, designed for durability and performance in rough terrain.
• Comprehensive system that maintains factory ride quality while adding significant ground clearance and off-road capability.
• Compatible with 4WD models, ensuring a perfect fit and reliable performance.
• Designed for easy bolt-on installation with no need for cutting or welding, making it accessible for experienced DIY enthusiasts and professional installers alike.
• GTIN: 00674866096028, ensuring authenticity and quality assurance from Fabtech.

Construction & Design

The Fabtech Radius Arm System is constructed from high-strength tubular steel, providing exceptional durability and resistance to bending or fatigue under heavy off-road use. The dimple die side plates reinforce critical stress points, further enhancing the system's robustness. The stainless steel coilover shocks are engineered for corrosion resistance and long-lasting performance, even in harsh environments. The system's design maintains factory steering geometry as much as possible, ensuring predictable handling and minimizing uneven tire wear. All components are precision-machined and TIG-welded for a clean, professional finish that meets the highest standards of quality and safety.

Performance & Sound

This suspension upgrade significantly improves off-road capability by increasing ground clearance and wheel travel, allowing your truck to conquer challenging obstacles with confidence. The Dirt Logic 4.0 coilovers provide adjustable damping, enabling you to fine-tune the ride for either aggressive off-road performance or a smoother on-road experience. The upgraded shocks and reinforced radius arms work together to reduce body roll, improve stability, and enhance steering response. While primarily designed for performance, this system also offers a commanding stance that enhances your truck's visual appeal.

Installation & Fitment

The Fabtech Radius Arm System is designed as a bolt-on upgrade, utilizing existing factory mounting points for a straightforward installation process. No cutting, welding, or extensive modifications are required, making it suitable for experienced DIY installers and professional shops. Basic mechanical skills and standard tools are sufficient to complete the installation. It is recommended to perform a proper alignment after installation to ensure optimal handling and tire wear. The system is engineered specifically for 2005–2007 Ford F-350 4WD models, ensuring a perfect fit and reliable performance.

• Complete front and rear lift system with all necessary components included.
• High-quality stainless steel shocks for durability and corrosion resistance.
• Adjustable coilovers for personalized ride tuning.
• Reinforced tubular radius arms with dimple die side plates for maximum strength.
• Includes all hardware, brackets, and instructions for a hassle-free installation.

Ideal For

• Off-road enthusiasts seeking increased ground clearance and wheel travel.
• Truck owners wanting a durable lift system that maintains factory ride quality.
• Adventurers who frequently tackle rugged terrain and demanding trails.
• Those looking to improve the visual stance of their Ford F-350 with a reliable, high-performance suspension upgrade.

Emissions Note

This suspension system is designed for off-road use and is not intended for on-road emissions compliance. Please verify local regulations before installation if street legality is a concern.