Fabtech Performance System

2014–2018 GM C/K1500 Pickup 4" Lift with OE Forged Steel Upper Control Arm

Part #: K1117DL

Overview

The Fabtech 4" Performance System with DL 2.5" & 2.25" is a premium suspension upgrade designed specifically for the GM C/K1500 Pickup trucks from 2014 to 2018. Engineered to provide a balanced combination of performance, durability, and a commanding stance, this system is ideal for enthusiasts seeking improved off-road capability while maintaining a factory-like appearance and ride quality. Whether you're tackling rugged trails or enhancing your truck's overall look, this lift kit delivers reliable performance and a confident driving experience.

Built with heavy-duty construction and proven design features, the Fabtech system offers a significant upgrade over stock suspension components. It allows for larger tires, up to 33 inches tall, giving your truck a more aggressive stance and increased ground clearance. The system's thoughtful design ensures that your vehicle maintains proper alignment and handling characteristics, making it suitable for daily driving, off-road adventures, or a combination of both.

Key Features

Fabtech's 4-inch crossmember systems incorporate several innovative features to enhance strength, durability, and performance:

• High arched lower control arm crossmembers constructed from 1/4-inch thick steel provide maximum strength and rigidity, ensuring long-lasting durability even under demanding off-road conditions.
• The use of ductile iron steering knuckles preserves the stock track width, maintaining proper steering geometry and keeping tires under the fenders for a clean, factory-like appearance.
• Heavy-duty, forged steel upper control arms replace the factory units, offering improved strength and alignment capabilities for enhanced handling and tire wear.
• The rear lift is achieved with a reliable block and u-bolt configuration, providing a straightforward and secure method to elevate the vehicle's stance.
• Designed to work seamlessly with your existing suspension components, ensuring a bolt-on installation process with minimal modifications required.
• Maintains factory ride quality and handling characteristics, thanks to precision engineering and high-quality materials.
• Compatible with 33-inch tall tires, allowing for a more aggressive look and improved off-road clearance without sacrificing on-road comfort.
• Constructed with durable materials that resist corrosion and wear, ensuring longevity and consistent performance over time.

Construction & Design

The Fabtech 4" Performance System features a meticulously engineered design that prioritizes strength, reliability, and ease of installation. The high arched lower control arm crossmembers are crafted from 1/4-inch steel, providing a robust foundation capable of handling off-road impacts and heavy loads. The ductile iron steering knuckles are engineered to retain the factory track width, which helps preserve your vehicle's steering response and alignment characteristics.

The system includes heavy-duty, forged steel upper control arms that improve suspension articulation and durability. The rear lift blocks are made from high-strength steel, ensuring secure support and stability. All components are designed with precision TIG welding and CAD development, resulting in a seamless fit and finish that complements your truck's factory lines. The use of high-quality materials and manufacturing processes ensures resistance to corrosion and long-term performance.

Performance & Sound

This lift system enhances your GM C/K1500 Pickup's off-road capability by increasing ground clearance and allowing for larger tires, which improves approach, departure, and break-over angles. The system maintains factory ride quality, providing a smooth and controlled on-road experience. Off-road, you'll benefit from increased suspension travel and durability, making it easier to navigate challenging terrain.

Installation & Fitment

The Fabtech 4" Performance System is designed as a bolt-on upgrade that can be installed with basic mechanical skills and standard tools. The system is engineered to fit directly onto your vehicle's existing mounting points, with no need for cutting or extensive modifications. While some alignment adjustments may be necessary after installation, the process is straightforward and can typically be completed within a few hours.

• Includes all necessary components for a complete installation.
• No cutting, drilling, or welding required.
• Designed for easy installation by experienced DIY enthusiasts or professional technicians.

What's Included

• High arched lower control arm crossmembers
• Forged steel upper control arms
• Steering knuckles
• Rear lift blocks and u-bolts
• All necessary mounting hardware and brackets
• Detailed installation instructions

Ideal For

• Off-road enthusiasts seeking increased ground clearance and tire size options
• Truck owners wanting a more aggressive stance without sacrificing ride quality
• Daily drivers who require a durable, reliable suspension upgrade
• Those looking for a straightforward bolt-on lift solution with proven performance

Emissions Note

This suspension lift system is designed to be compliant with applicable emissions regulations when installed correctly. Always verify local laws and regulations before installation. Proper alignment and inspection are recommended after installation to ensure optimal performance and safety.