Fabtech 6" 4-Link System

2017–2021 Ford F250/F350 4WD Diesel

Part #: K2244DL

Overview

The Fabtech 6" 4-Link System is a high-performance suspension upgrade designed specifically for the Ford F250 and F350 Super Duty trucks with 4WD and diesel engines from 2017 to 2021. This bolt-on system delivers exceptional articulation and wheel travel, making it ideal for off-road enthusiasts, heavy-duty work, and those seeking improved ride quality and stability. With its robust construction and comprehensive components, this system transforms your truck’s suspension, providing a smoother, more controlled driving experience both on and off the pavement.

Designed for those who demand durability and performance, the Fabtech 4-Link System enhances your vehicle's capability to handle challenging terrains while maintaining factory-like reliability. Whether you're tackling rugged trails, towing heavy loads, or simply upgrading your truck for better handling, this system offers a significant upgrade over stock suspension components.

Key Features

The Fabtech 6" 4-Link System incorporates advanced engineering and high-quality materials to ensure long-lasting performance and superior strength. Here are some of the key features:

• Heavy-wall 2-inch diameter links constructed from durable steel for maximum strength and longevity.
• Race-style 1-inch Uniballs at critical pivot points provide superior articulation, reduced binding, and increased durability under demanding conditions.
• Thick 1/4-inch steel brackets securely mount the links to the frame without the need for cutting or welding, simplifying installation and preserving factory integrity.
• Includes sway bar drops and a trac bar relocation bracket to maintain proper geometry and handling characteristics after lift installation.
• Rear block and U-bolt kit designed to complement the front suspension upgrade, ensuring balanced ride height and stability.
• Precision-engineered components that work together to improve wheel travel, articulation, and overall suspension performance.
• Designed specifically for diesel-powered F250/F350 models, ensuring perfect fitment and compatibility.

Construction & Design

The Fabtech 4-Link System features heavy-duty steel components with a focus on strength and durability. The 2-inch diameter links are made from high-quality steel tubing, providing a robust framework capable of withstanding off-road impacts and heavy loads. The race-style 1-inch Uniballs are engineered for maximum articulation and wear resistance, ensuring consistent performance over time.

The system's brackets are fabricated from 1/4-inch thick steel, CNC laser-cut and formed for precise fitment. These brackets mount directly to the factory frame points, eliminating the need for cutting or welding, which simplifies installation and preserves the structural integrity of your truck. The design incorporates sway bar drops and a trac bar relocation bracket to maintain proper suspension geometry, ensuring your vehicle handles predictably and safely after the lift is installed.

Performance & Sound

With the Fabtech 4-Link System installed, you will notice improved wheel articulation and increased wheel travel, allowing your truck to navigate rough terrain with greater ease. The race-style Uniballs provide smooth pivoting action, reducing binding and enhancing overall suspension responsiveness. This results in better traction, stability, and control during off-road adventures or heavy-duty towing.

The system also contributes to a more confident ride quality, with less body roll and improved handling characteristics. While primarily focused on performance and durability, the upgraded suspension may produce a more commanding and aggressive sound during spirited driving or off-road use, adding to the overall driving experience.

Installation & Fitment

The Fabtech 6" 4-Link System is designed as a bolt-on upgrade that requires no cutting or welding, making it accessible for experienced DIY enthusiasts and professional installers alike. The components mount directly to existing factory points, ensuring a straightforward installation process. Basic hand tools and mechanical skills are sufficient to complete the upgrade, though professional installation is recommended for optimal results and safety.

• Includes all necessary brackets, links, Uniballs, sway bar drops, trac bar bracket, rear block, and U-bolts.
• No cutting, drilling, or welding is required.
• Compatible with 2017–2021 Ford F250/F350 4WD Diesel models.

What's Included

• Heavy-duty 2-inch diameter steel links with race-style 1-inch Uniballs
• Steel brackets for frame mounting
• Sway bar drop brackets
• Trac bar relocation bracket
• Rear block and U-bolt kit
• All necessary hardware and mounting components

Ideal For

• Off-road enthusiasts seeking maximum articulation and wheel travel
• Heavy-duty work trucks requiring enhanced suspension durability
• Owners looking to upgrade their Ford Super Duty for improved handling and stability
• Performance-minded drivers who demand reliable, bolt-on suspension solutions

Emissions Note

This suspension system is designed for off-road use and may not be street legal in all areas. Please check local regulations before installation. This product is not CARB-compliant and is intended for off-road or racing applications only.