Fabtech 6" Radius Arm System with Coils & Stealth

2008–2016 Ford F250 4WD

Part #: K2119M

Overview

The Fabtech 6" Radius Arm System with Coils & Stealth is a comprehensive suspension upgrade designed specifically for Ford F250 4WD trucks from 2008 to 2016. Engineered to enhance off-road capability, improve ride height, and provide superior durability, this system is ideal for enthusiasts seeking to push their truck's performance beyond factory limits. Whether you're tackling rugged trails, hauling heavy loads, or simply want a commanding presence on the road, this kit delivers reliable, high-quality components to meet your needs.

Featuring a patented radius arm design, this system offers a full tubular structure reinforced with 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 steering geometry and tire wear. The included 6-inch replacement coil springs provide the necessary lift to clear larger tires and improve ground clearance, all while maintaining a comfortable ride quality. Completing the setup are essential components such as a trac bar relocation bracket, Pitman arm, sway bar drops, and a rear block & u-bolt kit, making this a complete suspension overhaul for serious off-road performance.

Key Features

The Fabtech Radius Arm System is built with durability and performance in mind, incorporating advanced engineering and high-quality materials to withstand demanding conditions. Key features include:

• Full tubular radius arms with dimple die side plates for enhanced strength and structural integrity.
• Adjustable alignment cam at the axle to fine-tune caster and achieve optimal steering response.
• 6-inch replacement coil springs designed to provide significant lift while maintaining ride comfort and stability.
• Heavy-duty trac bar relocation bracket to ensure proper axle positioning and tracking during suspension articulation.
• Sturdy Pitman arm and sway bar drop brackets to maintain factory steering geometry and handling characteristics.
• Rear block and U-bolt kit for added rear lift and improved load-carrying capacity.
• Manufactured in the United States, ensuring high-quality craftsmanship and reliable performance.

Construction & Design

The components of this suspension system are constructed from high-strength steel, with the radius arms featuring a tubular design that offers a perfect balance of weight savings and structural robustness. The dimple die side plates add extra reinforcement, preventing flex and deformation under heavy loads or off-road impacts. The coil springs are engineered to provide a consistent lift height, supporting larger tires and enhancing ground clearance without sacrificing ride quality. All brackets and mounting hardware are precision-fabricated to ensure a perfect fit and straightforward installation, making this system a reliable upgrade for your Ford F250.

Performance & Sound

With this suspension upgrade, you'll experience improved off-road capability, better ground clearance, and a commanding stance. The increased ride height allows for larger tires, which translate to better traction and obstacle clearance. The adjustable caster cam ensures precise steering alignment, resulting in improved handling and reduced tire wear. While primarily designed for off-road use, this system also enhances on-road stability and load-carrying capacity. The upgraded components are built to withstand tough conditions, providing long-lasting performance and peace of mind.

Installation & Fitment

The Fabtech 6" Radius Arm System is a bolt-on upgrade that requires no cutting or welding, making it accessible for experienced DIY enthusiasts and professional installers alike. Basic hand tools and alignment adjustments are all that's needed to complete the installation. It is recommended to have a professional wheel alignment after installation to ensure optimal handling and tire wear. The system is designed to fit directly onto your Ford F250 4WD from 2008 to 2016, restoring factory steering geometry and ensuring a secure, precise fit.

• Complete bolt-on suspension lift system for Ford F250 4WD (2008–2016).
• Includes all necessary components for a full suspension upgrade.
• No cutting, drilling, or welding required for installation.
• Designed for off-road enthusiasts and heavy-duty use.

What's Included

• Patented tubular radius arms with dimple die side plates
• 6-inch replacement coil springs
• Trac bar relocation bracket
• Pitman arm
• Sway bar drop brackets
• Rear block and U-bolt kit
• All necessary mounting hardware and instructions

Ideal For

• Off-road enthusiasts seeking increased ground clearance and suspension travel
• Heavy-duty towing and hauling applications
• Ford F250 owners wanting a commanding stance and improved handling
• Custom truck builders and modifiers