Fabtech 4" 4Link System with Coils & Stealth

2017–2021 Ford F250/F350 4WD Diesel

Part #: K2216M

Overview

Upgrade your Ford Super Duty's suspension with the Fabtech 4" 4Link System featuring Coils & Stealth. Designed specifically for 2017 to 2021 Ford F250 and F350 4WD Diesel models, this comprehensive suspension kit offers unmatched articulation and wheel travel, making it ideal for off-road enthusiasts, towing professionals, and those seeking enhanced on-road comfort. Whether you're tackling rugged terrain or improving load-carrying capacity, this system provides the durability and performance you need.

Built with heavy-duty components and race-inspired design, the Fabtech 4Link System transforms your truck's handling characteristics. It allows for a significant lift while maintaining excellent ride quality and stability. The system's bolt-on installation ensures a straightforward upgrade without the need for cutting or welding, making it accessible for both professional installers and experienced DIY enthusiasts.

Key Features

The Fabtech 4" 4Link System is engineered with precision and strength to deliver superior off-road capability and on-road comfort. Key features include:

• Heavy-wall 2" diameter links constructed from durable materials to withstand demanding conditions and provide long-lasting performance.
• Race-style 1" Uniballs integrated into the links for enhanced strength, reduced flex, and improved articulation, allowing your suspension to move freely over rough terrain.
• Thick 1/4" steel brackets that securely attach the links to the vehicle's frame without the need for cutting or welding, simplifying installation and ensuring a robust connection.
• Compatibility with Fabtech's replacement coil springs, enabling a custom lift height and ride quality tailored to your driving needs.
• Sway bar drops, trac bar relocation bracket, and a Pitman arm included to restore proper geometry and steering response after lift installation.
• Rear block and U-bolt kit to support the new suspension geometry and maintain proper axle positioning.
• Designed for heavy-duty diesel trucks, ensuring strength and reliability under load and off-road conditions.

Construction & Design

The Fabtech 4Link System features high-quality, heavy-wall steel tubing and precision-machined components to withstand the rigors of off-road driving and heavy towing. The race-style 1" Uniballs are engineered for maximum durability and minimal wear, providing smooth articulation and consistent performance over time. The brackets are fabricated from thick steel plates, CNC cut and formed for precise fitment, ensuring a secure and stable connection to your vehicle's frame.

The system's design emphasizes ease of installation, with bolt-on brackets that eliminate the need for cutting or welding. This thoughtful engineering preserves the structural integrity of your truck while delivering a significant lift and improved suspension travel. The inclusion of sway bar drops and trac bar brackets ensures proper alignment and handling, maintaining factory-like steering response and stability even after modifications.

Performance & Sound

With the Fabtech 4" 4Link System installed, you'll experience a noticeable improvement in off-road articulation and wheel travel, allowing your truck to conquer challenging terrain with confidence. The upgraded suspension enhances ride quality, reduces body roll, and provides a more controlled and comfortable driving experience both on and off the pavement. The system also supports larger tires, giving your truck a more aggressive stance and improved traction.

While primarily focused on performance and durability, this system also contributes to a more commanding and refined sound during spirited driving or off-road adventures, thanks to the increased articulation and robust construction.

Installation & Fitment

The Fabtech 4" 4Link System is designed as a bolt-on upgrade, requiring no cutting or welding for installation. The process involves replacing factory components with the included heavy-duty brackets, links, and brackets, aligning everything to factory mounting points. Basic mechanical skills and standard hand tools are sufficient for installation, although professional installation is recommended for optimal results and safety.

• Compatible with 2017–2021 Ford F250 and F350 4WD Diesel models
• Designed for vehicles with factory or aftermarket coil springs
• No cutting, drilling, or welding required

What's Included

• Heavy-wall 2" diameter steel links with race-style 1" Uniballs
• Steel brackets for frame mounting
• Replacement coil springs (if applicable)
• Sway bar drop brackets
• Trac bar relocation bracket
• Pitman arm
• Rear block and U-bolt kit
• All necessary hardware and mounting components

Ideal For

This suspension system is perfect for off-road enthusiasts, heavy-duty truck owners, and anyone looking to improve their Ford F250/F350's handling, articulation, and load-carrying capacity. Whether you're tackling rugged trails, towing heavy loads, or simply want a more commanding stance, this kit provides the strength and performance you need.