Fabtech 6" 4-Link System with Coils & Performance Shocks

2017–2021 Ford F250/F350 4WD Gas

Part #: K2257

Overview

The Fabtech 6" 4-Link System with Coils & Performance Shocks is a premium suspension upgrade designed specifically for the Ford F250 and F350 4WD gas models from 2017 to 2021. Engineered to deliver exceptional off-road capability and on-road stability, this bolt-on system provides unmatched articulation and wheel travel, making it ideal for enthusiasts who demand the best in suspension performance. Whether you're tackling rugged trails or enhancing your truck's towing and hauling capacity, this system offers the durability and performance you need.

Built with heavy-duty components and race-inspired design, the Fabtech 4-Link System transforms your Super Duty's suspension, providing a smoother ride, improved handling, and increased ground clearance. The system's robust construction ensures long-lasting performance, even under demanding conditions, making it a perfect choice for off-road adventures, heavy-duty work, or spirited driving.

Key Features

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

• Heavy-wall 2-inch diameter links with race-style 1-inch Uniballs for superior strength and durability, ensuring reliable articulation and wheel travel.
• Thick 1/4-inch steel brackets that securely mount the 4 links to the frame without the need for cutting or welding, simplifying installation and maintaining factory integrity.
• Designed to work seamlessly with your existing coil springs or upgraded coil springs for enhanced ride quality and load support.
• Sway bar drop brackets and trac bar relocation brackets to restore proper geometry and improve handling during off-road and street driving.
• Includes a new Pitman arm and rear block & U-bolts to optimize steering and rear suspension geometry.
• Heavy-duty performance shocks included, engineered to complement the system and provide improved damping for a controlled ride.
• Constructed with high-strength steel and precision manufacturing to withstand harsh off-road conditions and heavy loads.

Construction & Design

The Fabtech 4-Link System features a meticulously engineered design that emphasizes strength, durability, and ease of installation. The heavy-wall 2-inch diameter links are crafted from high-quality steel and utilize race-style 1-inch Uniballs, which provide superior articulation and resistance to wear. The brackets are made from thick 1/4-inch steel, ensuring a secure and rigid mount to the vehicle's frame without the need for cutting or welding, preserving the factory structure.

The system's components are designed with precision CAD development and TIG welding techniques, resulting in a robust and reliable suspension upgrade. The inclusion of sway bar drops and trac bar relocation brackets ensures proper suspension geometry, reducing body roll and maintaining steering accuracy. The shocks are specifically valved to match the increased wheel travel and ride height, providing a balanced and comfortable ride both on and off-road.

Performance & Sound

This 4-Link System significantly enhances your Ford Super Duty's off-road articulation and wheel travel, allowing for better traction and stability on uneven terrain. The upgraded shocks improve damping control, reducing body roll and providing a smoother ride during spirited driving or heavy-duty tasks. While specific horsepower or torque gains are not claimed, the system supports increased suspension performance, enabling your truck to handle more challenging environments with confidence.

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 mount directly to factory locations, ensuring a secure fit and alignment. Basic mechanical skills and standard tools are sufficient for installation, but professional installation is recommended to ensure proper setup and alignment. The system includes all necessary brackets, hardware, and shocks, making it a comprehensive upgrade for your Super Duty.

• Designed specifically for 2017–2021 Ford F250 and F350 4WD gas models
• No cutting, drilling, or welding required for installation
• Includes all mounting brackets, links, shocks, and hardware

What's Included

• Heavy-duty 2-inch diameter links with race-style 1-inch Uniballs
• Steel brackets for frame mounting
• Performance shocks designed for 6" lift
• Sway bar drop brackets
• Trac bar relocation bracket
• Pitman arm
• Rear block and U-bolts
• All necessary hardware and instructions

Ideal For

This suspension system is perfect for off-road enthusiasts, heavy-duty users, and truck owners who want to maximize their Super Duty's articulation, stability, and load-carrying capacity. Whether you're tackling rugged trails, towing heavy loads, or simply seeking a more aggressive stance and improved handling, this 4-Link System delivers exceptional performance and reliability.