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

2005–2007 Ford F350 4WD

Part #: K20142DL

Overview

The Fabtech 6" 4-Link System with DLSS 4.0 Coilover & Rear DLSS is a premium suspension upgrade designed specifically for Ford F350 4WD trucks from 2005 to 2007. Built for enthusiasts seeking exceptional off-road capability, improved wheel articulation, and a commanding stance, this system transforms your Super Duty into a rugged, high-performance machine. Whether you're tackling challenging trails, hauling heavy loads, or simply want a more aggressive look, this 4-Link suspension provides the durability and performance you need.

At the core of this system is Fabtech's renowned engineering, combining race-inspired components with heavy-duty materials to deliver unmatched strength and reliability. The kit is ideal for off-road enthusiasts, fleet operators, or anyone looking to enhance their truck's capability while maintaining a smooth on-road ride. With this upgrade, you'll experience improved wheel travel, better handling, and a more confident driving experience both on and off the pavement.

Key Features

This 4-Link system features large 2-inch OD heavy-wall links constructed from durable steel, ensuring long-lasting performance under demanding conditions. The race-style 1-inch Uniballs provide superior strength and precise movement, reducing flex and increasing articulation for off-road adventures. Thick 1/4-inch steel brackets securely mount the links to the frame without the need for cutting or welding, simplifying installation while maintaining factory-like integrity.

• Heavy-duty 2-inch OD steel links with race-style 1-inch Uniballs for maximum strength and articulation
• Thick 1/4-inch steel brackets designed for bolt-on installation without cutting or welding
• Includes Dirt Logic 4.0 Stainless Steel Coilover Shock conversion for superior damping and ride quality
• Billet Sway bar links and Trac Bar relocation bracket to optimize suspension geometry and stability
• Rear lift with included blocks to achieve the desired ride height and clearance
• Robust construction with high-quality materials for off-road durability
• Designed for easy bolt-on installation with minimal modifications

Construction & Design

The Fabtech 4-Link system is engineered with precision and durability in mind. The heavy-wall steel links are mandrel-bent and TIG-welded for strength and consistency. The race-style Uniballs are sealed to prevent dirt and debris ingress, ensuring smooth operation over time. The steel brackets are laser-cut and CNC-formulated for perfect fitment, providing a secure attachment point that withstands the rigors of off-road driving.

The inclusion of the Dirt Logic 4.0 Stainless Steel Coilover shocks enhances ride quality by offering adjustable damping, allowing you to tune the suspension for different terrains and loads. The billet sway bar links and trac bar relocation bracket help maintain proper suspension geometry, reducing body roll and improving handling. Overall, the design emphasizes strength, ease of installation, and long-term reliability.

Performance & Sound

This suspension system significantly improves wheel articulation and overall off-road capability, allowing your truck to navigate rough terrain with confidence. The upgraded coilovers provide better damping control, resulting in a smoother ride both on and off the pavement. While specific horsepower or torque gains are not claimed, the system supports increased load capacity and stability, making it suitable for towing and heavy-duty applications.

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. Basic mechanical skills and standard hand tools are sufficient, and detailed instructions are included to guide you through each step. The system mounts directly to factory mounting points, preserving the original frame integrity and ensuring a secure fit. Some alignment adjustments may be necessary after installation to optimize handling and suspension geometry.

• Bolt-on installation with no cutting or welding required
• Includes all necessary hardware and detailed instructions
• Compatible with factory mounting points for a seamless fitment
• Recommended professional alignment after installation for optimal performance

What's Included

• Front 4-Link suspension components with heavy-wall steel links and Uniballs
• Steel brackets for frame mounting
• Dirt Logic 4.0 Stainless Steel Coilover shocks
• Billet sway bar links
• Trac Bar relocation bracket
• Rear lift blocks
• All necessary hardware and installation instructions

Ideal For

This suspension upgrade is perfect for off-road enthusiasts, heavy-duty users, and anyone looking to improve their Ford F350's off-road articulation, ride height, and overall capability. Whether you're tackling trails, hauling loads, or seeking a more aggressive stance, this system provides the strength and performance needed for demanding applications.

Emissions Note

This product is designed for off-road use and may not be legal for street use in all areas. Please check local regulations regarding emissions compliance before installation.