Fabtech Uniball Upper Control Arm System

2014–2018 GM K1500 4-Inch Lift with 2.5-Inch DL Coilovers & Rear DL Shocks

Part #: FTS21206

Overview

The Fabtech 4-inch Uniball Upper Control Arm System is a comprehensive suspension upgrade designed specifically for the GM K1500 pickup trucks from 2014 to 2018. Engineered to enhance off-road capability, improve handling, and support larger tires, this system is ideal for enthusiasts seeking a reliable, high-performance lift solution. Whether you're tackling rugged trails or upgrading your truck for a more aggressive stance, this control arm system provides the durability and precision you need.

Built with quality and longevity in mind, the Fabtech system combines heavy-duty components with innovative design features to deliver a smoother ride and superior articulation. The included 2.5-inch diameter Dual-Rate Coilovers and rear Dual-Rate Shocks work together to provide excellent damping control, ensuring your vehicle maintains stability and comfort across a variety of terrains. This system not only boosts your truck's off-road prowess but also enhances on-road handling, making it a versatile upgrade for daily drivers and weekend warriors alike.

Key Features

The Fabtech Uniball Upper Control Arm System boasts a range of advanced features that set it apart from standard suspension setups:

• Heavy-duty Uniball joints in the upper control arms provide increased durability and improved steering response, especially under off-road conditions.
• Precision-engineered control arms are constructed from high-strength steel and feature a durable, corrosion-resistant finish to withstand harsh environments.
• The system includes high-performance 2.5-inch diameter Dual-Rate Coilovers, offering adjustable ride height and superior damping characteristics for both street and off-road driving.
• Rear Dual-Rate Shocks are designed to complement the coilovers, providing balanced ride quality and enhanced wheel travel.
• Designed for easy bolt-on installation, with all necessary hardware included, minimizing downtime and complexity.
• Optimized geometry ensures proper alignment and reduces stress on other suspension components, extending the lifespan of your vehicle’s drivetrain.
• Made in the United States, ensuring strict quality control and manufacturing standards.
• Supports larger tires, up to 35 inches, allowing for aggressive off-road styling and improved traction.
• Improves overall ride quality, handling, and stability, whether on pavement or trail.

Construction & Design

The Fabtech control arm system features heavy-duty, high-strength steel control arms with a durable, corrosion-resistant finish to withstand the rigors of off-road use. The Uniball joints are crafted from high-quality materials to provide long-lasting performance and precise steering feedback. The 2.5-inch Dual-Rate Coilovers are engineered with a monotube design, offering consistent damping and adjustable ride height to tailor the suspension to your specific needs. The rear shocks are designed with a twin-tube construction for reliable damping and durability.

All components are designed with precision CAD modeling and TIG welding to ensure perfect fitment and structural integrity. The system's geometry is carefully calibrated to maintain factory-like handling characteristics while providing increased ground clearance and wheel travel. The overall design emphasizes strength, durability, and ease of installation, making it a reliable upgrade for off-road enthusiasts and daily drivers alike.

Performance & Sound

With this system installed, you'll notice improved off-road articulation, better handling on rough terrain, and a more commanding stance. The upgraded coilovers and shocks deliver superior damping control, reducing body roll and enhancing stability during spirited driving. The increased wheel travel and larger tires contribute to better traction and obstacle clearance. While primarily focused on performance, this system also offers a noticeable improvement in ride quality and noise reduction compared to stock suspension components.

Installation & Fitment

The Fabtech Uniball Upper Control Arm System is designed for a straightforward bolt-on installation. All necessary hardware and instructions are included, allowing experienced DIY enthusiasts or professional installers to complete the upgrade efficiently. No cutting, drilling, or major modifications are required, and the system is engineered to fit seamlessly with your vehicle's existing mounting points. Proper alignment is recommended after installation to ensure optimal handling and tire wear.

• Bolt-on installation with all hardware included
• No cutting or drilling required
• Compatible with 2014–2018 GM K1500 trucks
• Supports up to 35-inch tires for aggressive off-road performance

What's Included

• Front upper control arms with Uniball joints
• 2.5-inch Dual-Rate Coilovers
• Rear Dual-Rate Shocks
• All necessary mounting hardware and brackets
• Installation instructions

Ideal For

• Off-road enthusiasts seeking increased ground clearance and wheel travel
• Owners looking to upgrade their GM K1500 for better handling and durability
• Drivers wanting to support larger tires for improved traction and appearance
• Weekend trail riders and overlanders demanding reliable suspension performance

Emissions Note

This suspension system is designed for off-road use and may not be emissions-compliant in all regions. Please verify local regulations before installation. The system is not CARB-approved and is intended for off-road or recreational use only.