Superlift Long Arm Kit

2018–2023 Jeep Wrangler Unlimited (JLU)

Part #: K199NS

Overview

The Superlift 4-inch Long Arm Kit for the Jeep Wrangler Unlimited (JLU) model years 2018 through 2023 is engineered to enhance your vehicle’s off-road capability and on-road handling without including shocks, allowing you to customize your suspension setup. Designed by true off-road enthusiasts, this kit provides a balanced lift that improves ground clearance and suspension articulation, making it ideal for Jeep owners who demand both rugged performance and daily drivability.

Superlift’s commitment to quality and customer satisfaction ensures that this long arm kit delivers reliable, durable performance whether you’re tackling challenging trails or cruising on pavement. This kit is perfect for Jeep Wrangler Unlimited owners looking to upgrade their suspension with a proven, well-engineered solution that maintains factory ride quality while providing the benefits of a 4-inch lift.

Key Features

The Superlift 4-inch Long Arm Kit is packed with features designed to optimize your Jeep’s suspension geometry and durability:

• 4-inch suspension lift designed specifically for 2018–2023 Jeep Wrangler Unlimited (JLU)
• Includes front and rear long arms for improved suspension travel and articulation
• Engineered to maintain proper alignment and handling characteristics
• Constructed from heavy-duty steel for long-lasting strength and durability
• Compatible with factory shocks or aftermarket shocks of your choice (shocks not included)
• Improves ground clearance for better off-road capability
• Designed and tested by off-road enthusiasts to ensure real-world performance
• Maintains on-road comfort and drivability despite lift height
• Includes all necessary mounting hardware for a complete installation

Construction & Design

Superlift’s long arm kit is built using premium-grade steel components that are precision-engineered for strength and durability. Each arm is designed to withstand the rigors of off-road use while maintaining the proper geometry needed for safe and predictable handling. The kit’s robust construction ensures resistance to bending and fatigue, even under heavy loads and extreme conditions.

All components are finished with corrosion-resistant coatings to protect against rust and wear, extending the life of your suspension upgrade. The design focuses on maintaining factory suspension angles to reduce stress on other drivetrain components and to preserve ride quality.

Installation & Fitment

This long arm kit is a direct fit for Jeep Wrangler Unlimited models from 2018 through 2023, requiring no major modifications to your vehicle’s frame or suspension mounts. Installation is straightforward for experienced mechanics or off-road enthusiasts with the proper tools. While shocks are not included, the kit is compatible with a wide range of aftermarket shocks, allowing you to tailor your suspension setup to your specific needs.

For optimal results, it is recommended to have the installation performed or inspected by a professional shop familiar with Jeep suspension systems. Proper alignment after installation is essential to ensure safe handling and tire wear.

What's Included

• Front long arms (driver and passenger side)
• Rear long arms (driver and passenger side)
• All necessary mounting hardware and bushings
• Installation instructions

Ideal For

This Superlift 4-inch Long Arm Kit is ideal for Jeep Wrangler Unlimited owners who want to improve their vehicle’s off-road performance and ground clearance without sacrificing on-road comfort. It is perfect for enthusiasts who prefer to select their own shocks or already have upgraded shocks installed. Whether you’re a weekend trail rider or daily driver who enjoys occasional off-road adventures, this kit offers a reliable and durable suspension upgrade tailored to your Jeep.

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.

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