Fabtech Suspension Systems

2017–2021 Ford F250/F350 4WD Gas 4" Basic Suspension System with DLSS Shocks

Part #: K2252DL

Overview

The Fabtech 4" Basic Suspension System with DLSS Shocks is designed to enhance the off-road capability and appearance of your Ford F250 or F350 4WD gas truck from 2017 to 2021. This comprehensive lift kit provides a reliable and cost-effective way to improve ground clearance, wheel travel, and overall performance, making it ideal for enthusiasts who want to upgrade their truck for off-road adventures or a more aggressive stance.

Built with the budget-minded enthusiast in mind, this system maintains the factory ride quality while offering significant improvements in suspension travel and durability. Whether you're tackling rough terrains or simply want a commanding look on the street, this kit delivers the performance and reliability you need.

Key Features

The Fabtech 4" Basic Suspension System incorporates several innovative features designed to optimize your truck's performance and longevity:

• Complete drop bracket system that maintains factory steering geometry for predictable handling and steering response.
• Utilizes the stock radius arms, reducing installation complexity and cost while ensuring a precise fit.
• Includes replacement coil springs engineered to provide a 4-inch lift, enhancing ground clearance and allowing for larger tires.
• Features a Trac Bar relocation bracket to maintain proper axle alignment and stability during off-road use.
• Supplies a durable Pitman arm and sway bar drops to ensure proper suspension geometry and handling characteristics.
• Comes with a Block & U-bolt kit for rear lift, completing the suspension upgrade.
• Manufactured in the United States with high-quality materials for long-lasting performance.
• Designed to support larger tires, improving off-road traction and appearance.
• Compatible with factory or aftermarket wheels and tires, providing flexibility for customization.

Construction & Design

The Fabtech suspension system is built with precision and durability in mind. The drop brackets are fabricated from high-strength steel, ensuring rigidity and resistance to deformation under demanding conditions. The coil springs are engineered from premium steel alloys to provide consistent lift and support, maintaining ride quality and handling characteristics.

The system's components are TIG-welded and CAD-designed for a perfect fit and optimal strength. The use of drop brackets and relocation hardware preserves factory steering geometry, which helps prevent uneven tire wear and maintains predictable handling. The inclusion of DLSS (Dual-Rate Load Support) shocks ensures a smooth ride both on and off-road, absorbing bumps and impacts effectively.

Performance & Sound

This suspension upgrade significantly improves your truck's off-road capability by increasing ground clearance and suspension travel. The larger tires and enhanced suspension geometry provide better traction, stability, and articulation on challenging terrain. While this kit does not explicitly claim horsepower gains, the improved suspension response and ride quality contribute to a more confident driving experience.

Installation & Fitment

The Fabtech 4" Basic Suspension System is designed as a bolt-on upgrade, making installation straightforward for experienced DIY enthusiasts or professional installers. The kit utilizes existing mounting points and requires no cutting or welding in most cases. Proper alignment is recommended after installation to ensure optimal handling and tire wear. No additional tuning or modifications are typically necessary, allowing you to enjoy your upgraded suspension quickly and with minimal hassle.

• Designed specifically for 2017–2021 Ford F250 and F350 4WD gas models.
• Maintains factory steering geometry for predictable handling.
• Includes all necessary hardware for a complete installation.

What's Included

• Drop brackets for front and rear suspension
• Replacement coil springs
• Trac Bar relocation bracket
• Pitman arm
• Sway bar drop brackets
• Block and U-bolt kit for rear lift
• DLSS shocks for improved ride quality
• All mounting hardware and instructions

Ideal For

• Off-road enthusiasts seeking increased ground clearance and suspension travel
• Truck owners wanting a more aggressive stance and larger tire fitment
• Daily drivers who want a reliable, easy-to-install lift kit without sacrificing ride quality

Emissions Note

This product is designed to be compliant with emissions regulations and is suitable for use in states with strict emissions standards. Always verify local regulations before installation.