Fabtech

2011–2013 Ford F450/F550 4WD 10-Lug 6" Radius Arm System with Coils & Performance Shocks

Part #: K2156

Overview

The Fabtech 6" Radius Arm System is a comprehensive suspension upgrade designed specifically for Ford F450 and F550 4WD trucks from 2011 to 2013. Engineered to enhance off-road capability, improve ride quality, and support larger tires, this system provides a significant lift while maintaining factory-like handling and durability. Whether you're tackling rugged terrain, towing heavy loads, or seeking a commanding stance, this kit offers the performance and reliability you need.

Built with performance enthusiasts and off-road adventurers in mind, the Fabtech Radius Arm System combines advanced engineering with high-quality materials to deliver a robust and versatile suspension solution. It is ideal for those looking to increase ground clearance, improve wheel articulation, and achieve a commanding presence on and off the road.

Key Features

The Fabtech 6" Radius Arm System incorporates several innovative features that set it apart from standard suspension upgrades:

• Full tubular radius arms with dimple die side plates provide increased strength and durability, ensuring long-lasting performance under demanding conditions.
• An adjustable alignment cam at the axle allows for precise caster adjustments, helping to optimize steering response and tire wear.
• Front spring lift options include 6-inch replacement coil springs, designed to provide a substantial lift while maintaining ride quality and load-carrying capacity.
• A comprehensive package includes a trac bar relocation bracket, Pitman arm, sway bar drops, and a rear block & U-bolt kit, ensuring a complete suspension overhaul.
• All components are manufactured in the United States, reflecting Fabtech's commitment to quality and craftsmanship.
• Designed to work seamlessly with factory mounting points, ensuring a straightforward bolt-on installation without the need for cutting or welding.
• Optimized for off-road use, this system enhances wheel travel, articulation, and stability on uneven terrain.
• Constructed with high-strength steel and precision TIG welding, providing exceptional durability and resistance to corrosion.
• Includes all necessary hardware and instructions for a hassle-free installation process.

Construction & Design

The Fabtech Radius Arm System features a meticulously engineered design that prioritizes strength, durability, and performance. The full tubular radius arms are crafted from high-quality steel and reinforced with dimple die side plates, which increase structural integrity and resistance to bending or cracking during off-road use. The adjustable cam at the axle allows for fine-tuning of caster angles, ensuring optimal steering geometry and tire wear.

The coil springs are engineered to provide a balanced lift height of 6 inches, supporting larger tires and increased ground clearance without sacrificing ride comfort. The inclusion of sway bar drops and a trac bar relocation bracket ensures proper alignment and handling characteristics are maintained throughout the lift range. All components are TIG-welded for superior strength and finished with corrosion-resistant coatings to withstand harsh environments.

Performance & Sound

This suspension system is designed to deliver improved off-road capability, with increased wheel travel and articulation that allow your truck to conquer challenging terrain with confidence. The upgraded coil springs and heavy-duty radius arms help support heavier loads and towing, making it an excellent choice for work trucks and recreational vehicles alike. While primarily focused on performance and durability, the system also provides a more aggressive stance and improved handling response.

Installation & Fitment

The Fabtech 6" Radius Arm System is a bolt-on upgrade that utilizes the factory mounting points, ensuring a straightforward installation process. No cutting, welding, or extensive modifications are required, making it suitable for DIY enthusiasts and professional installers alike. Basic mechanical skills and standard tools are sufficient to complete the installation, which typically takes several hours.

• All necessary hardware and detailed instructions are included for a hassle-free installation.
• Designed specifically for 2011–2013 Ford F450 and F550 4WD trucks with 10-lug wheels.
• Maintains factory steering geometry with adjustable caster for optimal handling.

What's Included

• Full set of tubular radius arms with dimple die side plates
• Adjustable caster cam at the axle
• 6-inch replacement coil springs
• Trac bar relocation bracket
• Pitman arm
• Sway bar drop brackets
• Rear block and U-bolt kit
• All necessary hardware and installation instructions

Ideal For

• Off-road enthusiasts seeking increased ground clearance and wheel articulation
• Heavy-duty towing and hauling applications
• Truck owners wanting a commanding stance and improved appearance
• Performance drivers looking for a durable, reliable suspension upgrade