Specifications
- Brand
- Rock Krawler
- Part #
- JL45AXPNL-4S1

Rock Krawler 2020+ Jeep Wrangler JLU 4DR 4.5in Adventure-X Pro (No Limits) Long Arm Suspension
$7646.21
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Rock Krawler 2020+ Jeep Wrangler JLU 4DR 4.5in Adventure-X Pro (No Limits) Long Arm Suspension
Key Features
- Fits 2020+ Jeep Wrangler JLU 4-door models.
- Provides up to 4.5 inches of suspension lift.
- Features a 3-link front and 4-link rear suspension geometry.
- Includes Rock Krawler's proprietary Adventure-X joints for improved range of motion and durability.
- Designed to correct caster and pinion angles for better driveline and steering performance.
- Accommodates up to 37-inch tires.
Product Details
The Adventure-X Pro Long Arm system from Rock Krawler is built around a unique 3-link front and 4-link rear setup, offering a significant improvement in suspension geometry for your 2020 and newer Jeep Wrangler JLU 4-door. This isn't just a lift kit; it's a complete overhaul designed to give you up to 4.5 inches of additional ride height while dramatically improving both on-road comfort and off-road capability. The system's design focuses on correcting caster and pinion angles, which are crucial for maintaining proper driveline angles and steering characteristics, especially with taller lifts. This attention to geometry helps reduce vibrations and ensures a more stable driving experience, whether you're cruising down the highway or tackling challenging trails.
Rock Krawler utilizes a combination of heavy-duty materials and smart engineering to create a long-lasting and high-performing suspension. The system features their proprietary Adventure-X joints, which are designed to offer a wide range of motion without the binding often associated with traditional heim joints. These joints are built to withstand the rigors of off-roading while providing a more comfortable ride than many other aftermarket options. The long arm design itself allows for a more controlled suspension arc, meaning the axles move more predictably through their travel, leading to better traction and a smoother ride over uneven terrain. This kit is engineered to accommodate larger tires, typically up to 37 inches, making it an excellent foundation for serious off-road builds.
This comprehensive kit includes all the necessary components to transform your JLU's suspension. You'll find the long control arms, adjustable track bars, sway bar disconnects, and all the mounting hardware required for installation. While this is a complex system, Rock Krawler aims for a direct bolt-on installation where possible, minimizing the need for welding or cutting. However, due to the extensive nature of a long arm conversion, professional installation is recommended to ensure all components are set up correctly for optimal performance and safety. This system is ideal for Jeep owners looking to significantly enhance their vehicle's off-road prowess and on-road manners for expeditions and serious trail use.
Specifications
- Brand
- Rock Krawler
- Manufacturer Part #
- JL45AXPNL-4S1
Frequently Asked Questions
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