Superlift Long Arm Kit

2018–2023 Jeep Wrangler Unlimited (JLU) with King 2.0 Shocks

Part #: K199KG

Overview

The Superlift 4-inch Long Arm Kit for the Jeep Wrangler Unlimited (JLU) model years 2018 through 2023 is engineered to deliver superior suspension performance both on and off the road. Designed specifically to work with King 2.0 shocks, this kit enhances your Jeep’s articulation, ride quality, and overall handling characteristics. Whether you’re tackling rugged trails or cruising city streets, this long arm kit provides a balanced lift that improves ground clearance without compromising drivability.

Superlift has been a trusted name in suspension systems since 1975, built by enthusiasts who understand the demands of off-road and daily driving. This kit is ideal for Jeep owners seeking a reliable, durable upgrade that maintains factory-like control while offering the benefits of a 4-inch lift.

Key Features

This long arm kit combines advanced engineering with high-quality components to ensure lasting performance and ease of installation. Key features include:

• 4-inch suspension lift designed for Jeep Wrangler Unlimited (JLU) 2018–2023
• Optimized to work seamlessly with King 2.0 shocks for enhanced damping and control
• Heavy-duty long arms engineered for improved suspension geometry and articulation
• Precision-machined mounting points for a secure, bolt-on fit
• Durable powder-coated finish for corrosion resistance and long service life
• Maintains proper driveline angles to reduce wear and improve reliability
• Improved ride quality on-road and superior performance off-road
• Compatible with factory and aftermarket components for versatile customization

Construction & Design

Superlift’s long arm kit is crafted from high-strength steel to withstand the rigors of off-road use while providing a solid foundation for your Jeep’s suspension. Each arm is precision-engineered and reinforced to resist bending and fatigue, ensuring consistent performance over time. The powder-coated finish not only enhances durability but also protects against rust and environmental damage, extending the life of your investment.

The design focuses on maintaining proper suspension geometry, which is critical for preserving handling characteristics and minimizing stress on other drivetrain components. This attention to detail results in a lift that feels natural and controlled, whether you’re navigating rocky terrain or cruising highways.

Installation & Fitment

The Superlift 4-inch Long Arm Kit is designed for a direct bolt-on installation on Jeep Wrangler Unlimited (JLU) models from 2018 to 2023 equipped with King 2.0 shocks. Installation requires standard hand tools and moderate mechanical experience. While no major modifications are necessary, professional installation is recommended to ensure proper alignment and optimal performance.

Superlift provides comprehensive instructions and technical support to assist with the installation process. This kit is engineered to maintain factory driveline angles and suspension geometry, minimizing the need for additional adjustments or components.

What's Included

• Front and rear long arms engineered for 4-inch lift
• All necessary mounting hardware and bushings
• Detailed installation instructions
• Compatibility with King 2.0 shocks (shocks sold separately)

Ideal For

This long arm kit is perfect for Jeep Wrangler Unlimited owners who want a reliable, high-quality suspension upgrade that balances off-road capability with on-road comfort. It is especially suited for enthusiasts who use their Jeep for trail riding, rock crawling, and daily driving, and who value durability, ride quality, and precise handling.

Superlift Suspension Systems builds lift kits, leveling systems, shocks, and steering components engineered to increase ground clearance while keeping suspension geometry and control dialed in for real off-road use. It’s a staple brand for truck and SUV enthusiasts who want stronger stance and trail capability without giving up stability and ride confidence on the street.