Fabtech 6" 4-Link System with DLSS 4.0 Coilover & Rear DLSS

2008–2010 Ford F350 4WD

Part #: K20321DL

Overview

Upgrade your Ford F350 4WD with the Fabtech 6" 4-Link System featuring the innovative DLSS 4.0 Coilover and rear DLSS for unmatched suspension performance. Designed specifically for the 2008–2010 model years, this bolt-on system delivers exceptional articulation, increased wheel travel, and improved off-road capability. Whether you're tackling rugged trails or seeking enhanced load support for heavy-duty applications, this suspension kit provides the durability and performance you need.

Built for enthusiasts who demand superior strength and precise handling, the Fabtech 4-Link System transforms your truck's suspension geometry. It offers a significant lift height while maintaining factory-like ride quality and stability. The system's robust components ensure long-lasting performance, making it ideal for off-road adventures, towing, and heavy-duty work.

Key Features

The Fabtech 6" 4-Link System incorporates advanced engineering and high-quality materials to optimize your vehicle's suspension. Key features include:

• Heavy-wall 2" diameter links constructed from durable steel for maximum strength and longevity.
• Race-style 1" Uniballs at pivot points provide superior articulation and reduce binding, enhancing wheel travel and off-road capability.
• Thick 1/4" steel brackets secure the 4 links directly to the frame without the need for cutting or welding, simplifying installation and ensuring a secure fit.
• Includes the Dirt Logic 4.0 Stainless Steel adjustable Coilover Shock conversion, offering customizable damping for various driving conditions.
• Rear DLSS (Dual-Rate Spring System) improves ride quality and load handling, providing a smoother ride on and off-road.
• Sway Bar Drops and Trac Bar relocation brackets optimize suspension geometry for better handling and stability.
• Designed with precision CAD development to ensure perfect fitment and durability under demanding conditions.

Construction & Design

The Fabtech 4-Link System features heavy-duty steel components with a focus on strength and reliability. The 2" diameter links are crafted from high-grade steel with race-style 1" Uniballs that allow for maximum articulation and durability. The brackets are made from 1/4" thick steel, ensuring they withstand the rigors of off-road driving and heavy loads. The system's design eliminates the need for cutting or welding during installation, making it a straightforward bolt-on upgrade that preserves the factory frame and chassis integrity.

The inclusion of the Dirt Logic 4.0 stainless steel coilovers provides adjustable damping, allowing you to fine-tune the ride quality for different terrains and loads. The rear DLSS system enhances overall suspension performance by providing dual-rate springs that improve ride comfort and load support. Overall, the system's engineering ensures a precise fit, long-lasting performance, and improved suspension articulation.

Performance & Sound

This suspension upgrade significantly enhances your Ford F350's off-road capability by increasing wheel travel and articulation, allowing for better traction on uneven terrain. The adjustable coilovers enable you to customize damping for a smoother ride or more aggressive handling. The system's design promotes improved handling, stability, and load-carrying capacity, making it ideal for off-road enthusiasts and heavy-duty users alike.

Installation & Fitment

The Fabtech 6" 4-Link System is designed as a bolt-on upgrade that requires no cutting or welding, simplifying the installation process. The components bolt directly to the factory frame and existing mounting points, ensuring a secure and precise fit. Basic mechanical skills and standard tools are sufficient for installation; however, professional installation is recommended to ensure proper alignment and safety. The system includes all necessary brackets, hardware, and instructions for a straightforward upgrade.

• Complete bolt-on installation with no cutting or welding required
• Includes all brackets, links, coilovers, and hardware needed for installation
• Designed specifically for 2008–2010 Ford F350 4WD models

What's Included

• Heavy-duty 2" diameter steel links with race-style 1" Uniballs
• Steel brackets for frame mounting
• Dirt Logic 4.0 Stainless Steel adjustable coilover shocks
• Rear DLSS dual-rate spring system
• Sway Bar Drop brackets
• Trac Bar relocation bracket
• All necessary hardware and mounting components
• Installation instructions

Ideal For

This suspension system is perfect for off-road enthusiasts, heavy-duty users, and anyone looking to improve their Ford F350's articulation, wheel travel, and load-carrying capacity. Whether you're tackling challenging trails, hauling heavy loads, or seeking a more aggressive stance, this kit provides the performance and durability you need.