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

2008–2010 Ford F450/F550 4WD

Part #: K2055DL

Overview

The Fabtech 6" 4-Link System with DLSS 4.0 Coilover and Rear DLSS is a premium suspension upgrade designed specifically for the Ford F450 and F550 4WD models from 2008 to 2010. Engineered to deliver exceptional articulation and wheel travel, this system transforms your heavy-duty truck's off-road capabilities while maintaining a smooth and controlled ride on the street. Whether you're tackling challenging trails, hauling heavy loads, or seeking improved handling, this bolt-on suspension system provides the performance and durability you need.

Built for enthusiasts who demand the best in suspension technology, the Fabtech 4-Link System enhances your vehicle's off-road prowess without sacrificing everyday drivability. The system's robust design ensures reliable performance under demanding conditions, making it an ideal choice for off-road adventurers, work truck owners, and performance enthusiasts alike.

Key Features

The Fabtech 4-Link System incorporates several advanced features to optimize your truck's suspension performance:

• Heavy-wall 2" diameter links constructed from durable steel for maximum strength and longevity.
• Race-style 1" Uniballs provide superior articulation and reduce binding, allowing for greater wheel travel and improved off-road capability.
• Thick 1/4" steel brackets securely mount the links to the vehicle's frame without the need for cutting or welding, simplifying installation.
• Designed to work seamlessly with Fabtech's 4.0 Dirt Logic Stainless Steel coilover shocks, offering adjustable ride height and damping control for tailored performance.
• Includes rear 2.25" Dirt Logic Stainless Steel shocks, complementing the front coilovers for balanced handling and off-road stability.
• System also features billet sway bar components for enhanced stability and control during aggressive driving.
• Constructed with high-quality materials and precision engineering to withstand the rigors of off-road use and heavy-duty applications.
• Optimized geometry for improved wheel travel, articulation, and overall suspension performance.
• Designed to maintain proper alignment and handling characteristics, ensuring safety and confidence on and off the road.

Construction & Design

The Fabtech 4-Link System is built with durability and performance in mind. The heavy-wall steel links are engineered to resist bending and wear, providing consistent performance over time. The race-style Uniballs are crafted from high-grade materials to withstand harsh off-road environments, offering smooth articulation and reduced maintenance needs.

The brackets are made from thick 1/4" steel, ensuring a secure and rigid connection to the vehicle's frame. The system's design eliminates the need for cutting or welding during installation, making it accessible for experienced DIY enthusiasts and professional installers alike. The use of stainless steel coilover shocks further enhances corrosion resistance and longevity, ensuring your suspension remains reliable in all conditions.

Performance & Sound

This suspension system significantly improves your truck's off-road articulation and wheel travel, allowing for better traction and control on uneven terrain. The adjustable Dirt Logic coilovers enable you to fine-tune ride height and damping to suit your driving style and conditions. While primarily focused on performance, the system also provides a more commanding stance and aggressive look, enhancing your truck's presence.

Installation & Fitment

The Fabtech 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 tools are sufficient to complete the upgrade. The system mounts directly to factory frame points and utilizes existing mounting locations, ensuring a secure fit. Some alignment adjustments may be necessary post-installation to optimize handling and tire wear.

• Complete bolt-on installation with no cutting or welding required
• Compatible with 2008–2010 Ford F450/F550 4WD models
• Designed for off-road enthusiasts and heavy-duty truck owners seeking superior suspension performance

What's Included

• Front 4-Link heavy-wall steel links with race-style Uniballs
• Front steel brackets for frame mounting
• 4.0 Dirt Logic Stainless Steel coilover shocks
• Rear 2.25" Dirt Logic Stainless Steel shocks
• Billet sway bar components
• All necessary hardware and mounting components

Ideal For

This system is perfect for off-road enthusiasts, heavy-duty truck owners, and performance-minded drivers who want to improve articulation, wheel travel, and overall suspension durability. It is especially suited for those who frequently tackle challenging terrain or require a reliable upgrade for towing and hauling tasks.

Emissions Note

This suspension system is designed for off-road use and is not street legal in all jurisdictions. Please check local regulations before installation. The system does not affect emissions compliance when used as intended for off-road applications.