Fabtech K4048

2007–2018 Jeep JK 4-Door 3-Inch Sport System with Performance Shocks

Part #: K4048

Overview

The Fabtech 3-inch Sport System with Performance Shocks is a comprehensive suspension upgrade designed specifically for Jeep JK 4-Door models from 2007 to 2018. This kit provides a balanced combination of off-road capability and on-road comfort, making it an excellent choice for enthusiasts seeking to enhance their Jeep's performance, appearance, and versatility. Whether you're tackling rugged trails or enjoying daily driving, this system delivers reliable durability and improved handling.

Engineered with quality and precision, the Fabtech Sport System offers a straightforward bolt-on installation that transforms your Jeep's stance and capability. The system includes all necessary components to lift your vehicle by 3 inches, providing additional ground clearance for larger tires and off-road adventures. With a focus on maintaining factory ride quality and drivability, this suspension kit is ideal for those who want a confident, capable Jeep without sacrificing daily comfort.

Key Features

The Fabtech K4048 suspension system incorporates several advanced features to ensure optimal performance and durability:

• American-made coil springs specifically designed for 2- and 4-door Jeep JK models, engineered to clear 35-inch tall tires while maintaining a consistent ride height through a preset manufacturing process.
• High-quality front and rear shocks that provide improved damping characteristics, enhancing ride comfort and off-road stability.
• Front sway bar links that help maintain proper handling and stability during aggressive driving or off-road maneuvers.
• Front bump stops and rear bump stop extensions to prevent suspension over-compression and protect vital components during heavy articulation.
• Rear trac bar bracket and rear brake hose extension to ensure proper alignment and clearance after the lift, maintaining factory-like handling and safety.
• Emergency brake cable brackets included to accommodate the increased ride height and preserve full functionality of your braking system.
• All components are designed for easy bolt-on installation, with no need for cutting or welding, making it accessible for DIY enthusiasts and professional installers alike.

Construction & Design

The Fabtech Sport System features durable, high-strength materials built to withstand demanding off-road conditions. The coil springs are crafted from premium steel and undergo a preset manufacturing process to ensure consistent ride height and performance. The shocks are engineered with a monotube design for superior heat dissipation and durability, providing consistent damping over rough terrain.

The system's components are designed with precision and attention to detail, ensuring a perfect fit and long-lasting performance. The inclusion of bump stop extensions and sway bar links helps maintain factory handling characteristics while accommodating the increased ride height. Overall, the design philosophy emphasizes strength, reliability, and ease of installation, making this suspension upgrade a trusted choice for Jeep JK owners.

Performance & Sound

With the Fabtech 3-inch Sport System, you'll experience noticeable improvements in ground clearance, off-road capability, and overall ride quality. The upgraded shocks provide better control and comfort over uneven surfaces, while the increased tire size enhances traction and visual appeal. Although specific horsepower or torque gains are not claimed, the system supports your vehicle's ability to handle more challenging terrain with confidence.

The suspension's design also contributes to a more commanding stance and a slight increase in noise levels typical of lifted vehicles, which can add to the aggressive off-road sound profile. Overall, this kit enhances your Jeep's performance and appearance without compromising daily drivability.

Installation & Fitment

The Fabtech K4048 suspension system is designed as a bolt-on upgrade, requiring no cutting, welding, or major modifications. Basic mechanical skills and standard tools are sufficient for installation, which can typically be completed within a few hours. The kit includes all necessary hardware and detailed instructions to facilitate a straightforward process. Once installed, your Jeep will have a 3-inch lift, improved ground clearance, and enhanced off-road capability.

• Easy bolt-on installation with no cutting or welding required
• Compatible with 2007–2018 Jeep JK 4-Door models
• Supports up to 35-inch tires for increased off-road capability

What's Included

• Front and rear coil springs
• Front and rear performance shocks
• Front sway bar links
• Front bump stops and rear bump stop extensions
• Rear trac bar bracket
• Rear brake hose extension
• Emergency brake cable brackets
• All necessary mounting hardware and instructions

Ideal For

• Off-road enthusiasts seeking increased ground clearance and suspension travel
• Jeep JK owners wanting a balanced lift for daily driving and trail use
• Drivers looking to fit larger tires for improved traction and appearance
• Those who prefer a reliable, American-made suspension upgrade with straightforward installation

Emissions Note

This suspension system is designed for off-road use and is not intended for street legal applications in all jurisdictions. Please verify local regulations before installation. The kit does not affect emissions compliance and is not CARB approved for street use.