Fabtech Uniball Upper Control Arm System

2011–2013 GM 2500/3500 3.5in HD Uniball Upper Control Arm System

Part #: FTS21129

Overview

The Fabtech 3.5-inch HD Uniball Upper Control Arm System is a high-performance suspension upgrade designed specifically for 2011–2013 GM 2500 and 3500 trucks. Engineered to enhance your vehicle's off-road capability, stability, and handling, this system provides a significant upgrade over stock components. Whether you're tackling rugged terrain, towing heavy loads, or seeking improved ride quality, this control arm system delivers the durability and performance you need.

Built for enthusiasts who demand reliability and strength, the Fabtech Uniball Upper Control Arms are ideal for off-road adventures, heavy-duty applications, and spirited driving. They help support increased wheel travel and articulation, ensuring your truck maintains optimal contact with the terrain for better traction and control. With these control arms, you'll experience improved suspension geometry, reduced binding, and enhanced durability under demanding conditions.

Key Features

The Fabtech Uniball Upper Control Arm System incorporates advanced materials and design features to maximize performance and longevity. Key features include:

• Heavy-duty, corrosion-resistant construction with high-strength steel components designed for off-road durability.
• Uniball joints replace factory ball joints, providing increased articulation and reduced binding during extreme suspension movement.
• Precision CNC-machined and TIG-welded for superior fitment and strength, ensuring long-lasting performance in tough environments.
• Designed with increased caster and camber correction to improve steering response and tire wear.
• Includes all necessary hardware and mounting components for a straightforward, bolt-on installation.
• Optimized for 3.5-inch lift applications, providing ample clearance and improved suspension geometry.
• Made in the United States, ensuring quality craftsmanship and reliable performance.

Construction & Design

The Fabtech HD Uniball Upper Control Arms feature a robust design built to withstand the rigors of off-road driving and heavy-duty use. The control arms are constructed from high-strength steel and finished with a durable coating to resist corrosion and environmental damage. The use of uniball joints instead of traditional ball joints allows for greater articulation, reducing stress on the suspension components and improving overall handling. The CNC-machined and TIG-welded construction ensures precise fitment and structural integrity, providing confidence in demanding conditions.

Performance & Sound

With these control arms installed, your truck will benefit from improved suspension articulation, better handling, and enhanced stability on uneven terrain. The increased wheel travel allows for smoother off-road performance, while the upgraded geometry helps maintain proper alignment angles. Although primarily designed for performance and durability, the system also contributes to a more confident and responsive driving experience. No specific horsepower or torque gains are claimed, but the upgrade supports your vehicle's ability to handle increased loads and off-road challenges effectively.

Installation & Fitment

The Fabtech 3.5-inch HD Uniball Upper Control Arm System is a bolt-on upgrade that requires no cutting or welding. The installation process involves removing the factory upper control arms and replacing them with the new Fabtech units using the included hardware. Basic mechanical skills and standard tools are sufficient for installation, which can typically be completed within a few hours. Proper alignment is recommended after installation to ensure optimal handling and tire wear.

• Designed specifically for 2011–2013 GM 2500 and 3500 trucks.
• Intended for vehicles with a 3.5-inch lift height.
• Compatible with stock or aftermarket suspension components, but check for specific compatibility with your setup.

What's Included

• Two heavy-duty uniball upper control arms
• All necessary mounting hardware and bolts
• Installation instructions

Ideal For

This control arm system is perfect for off-road enthusiasts, heavy-duty truck owners, and anyone looking to improve their GM 2500/3500's suspension performance. It is especially beneficial for those who frequently drive on rugged terrain, tow heavy loads, or seek a more responsive and durable suspension setup.

Emissions Note

This product is designed for off-road use and may not be emissions compliant in all regions. Please verify local regulations before installation. It is intended for use in off-road applications and may not be legal for street use in certain areas.