• Fabtech 3" K2 4in Aluminum Uniball Upper Control Arm System w/ DL 2.5 Resi Coilover & Rear DL Shocks
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Fabtech FTS21220 4in Aluminum Uniball UCA GM K1500 (14-18) (SPF21220)

Fabtech FTS21220 4in Aluminum Uniball UCA GM K1500 (14-18) (SPF21220)

FTS21220

Out of stock

$3,109.98 USD
$3,655.38 USD $3,109.98 USD
ADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The Fabtech FTS21220 is a 4-inch aluminum uniball upper control arm system designed for GM K1500 trucks from 2014 to 2018. This high-performance suspension upgrade enhances off-road capability, ride quality, and handling by replacing stock components with durable, lightweight aluminum construction. The uniball design provides increased articulation and strength, making it ideal for demanding off-road conditions and aggressive driving. The system offers improved durability and precision, contributing to better wheel alignment and overall suspension performance.

This control arm kit is compatible with 2014–2018 GM K1500 series trucks, including Chevrolet Silverado 1500 and GMC Sierra 1500 4WD models equipped with 5.3L or 6.2L engines. It is a direct bolt-on replacement that requires no additional modifications for installation. The kit includes upper control arms with uniballs, designed to withstand off-road stresses and provide long-lasting performance. Suitable for off-road, trail, or aggressive street driving, this system enhances suspension articulation and durability for demanding applications.

Overview

Fabtech K2 4-Inch Aluminum Uniball Upper Control Arm System

2014–2018 GM K1500 / Chevrolet Silverado 1500 / GMC Sierra 1500 4WD 5.3L / 6.2L

Part #: FTS21220

Overview

The Fabtech K2 4-Inch Aluminum Uniball Upper Control Arm System is a high-performance suspension upgrade designed specifically for your 2014–2018 GM K1500 series trucks. Whether you're an off-road enthusiast, a weekend warrior, or someone seeking improved ride quality and handling, this system offers a significant upgrade over stock components. Crafted with precision and durability in mind, it enhances your vehicle's suspension geometry, allowing for increased wheel travel, better articulation, and improved overall stability.

Built for those who demand reliability and performance, this control arm system helps support larger tires and aggressive off-road driving while maintaining excellent on-road manners. The lightweight aluminum construction reduces unsprung weight, contributing to improved handling and responsiveness. With this upgrade, you'll experience a more confident driving experience both on and off the pavement.

Key Features

The Fabtech K2 Uniball Upper Control Arm System incorporates advanced engineering and premium materials to deliver superior performance and durability. Here are some of the key features:

  • Constructed from high-strength, lightweight aluminum for reduced weight and increased strength.
  • Heavy-duty uniball joints provide superior articulation, durability, and resistance to wear compared to traditional ball joints.
  • Precision CNC-machined for a perfect fit and consistent performance, ensuring proper alignment and suspension geometry.
  • Designed with increased caster and camber adjustment capabilities to optimize handling and tire wear.
  • Corrosion-resistant finish to withstand harsh off-road environments and weather conditions.
  • Compatible with 4-inch lift kits, allowing for larger tires and improved ground clearance.
  • Includes all necessary hardware and mounting components for straightforward installation.
  • Backed by Fabtech's reputation for quality and innovation in off-road suspension systems.

Construction & Design

The control arms are engineered from high-grade aluminum, offering an excellent balance of strength and weight savings. The uniball joints are sealed and built to endure the rigors of off-road use, providing consistent articulation and reducing maintenance needs. The CNC-machined design ensures precise fitment, while the corrosion-resistant coating extends the lifespan of the components. This system is designed to retain factory ride quality while providing enhanced durability and off-road capability.

Performance & Sound

With the Fabtech K2 control arm system installed, your vehicle will benefit from improved suspension travel, better handling, and increased stability during off-road adventures or spirited driving. The uniball joints allow for greater articulation, helping your truck navigate rough terrain with confidence. While this system is primarily focused on performance and durability, you may notice a slight improvement in ride quality and steering response compared to stock components.

Installation & Fitment

The Fabtech K2 4-Inch Aluminum Uniball Upper Control Arm System is designed as a direct bolt-on upgrade for your GM K1500 series truck. Installation typically requires basic hand tools and can be completed with standard mechanical skills. No cutting, drilling, or extensive modifications are necessary, making it a straightforward upgrade for most DIY enthusiasts or professional installers. Proper alignment after installation is recommended to maximize performance and tire wear.

  • Easy bolt-on installation with standard tools
  • No cutting or drilling required
  • Includes detailed instructions for proper setup

What's Included

  • Pair of aluminum upper control arms with uniball joints
  • All necessary mounting hardware and hardware
  • Installation instructions and technical support

Ideal For

  • Off-road enthusiasts seeking increased wheel travel and articulation
  • Owners upgrading to larger tires for improved ground clearance
  • Performance-minded drivers wanting enhanced handling and durability
  • Those looking to improve suspension geometry and ride quality on lifted trucks
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