Rock Krawler JL45AXPNL-4D 4.5 Inch Adventure-X PRO No Limits Long Arm Suspension System

The Rock Krawler JL45AXPNL-4D is the 4.5-inch Adventure-X PRO "No Limits" Long-Arm Suspension System built for the 4-door Jeep Wrangler JL. This system is engineered to deliver the ideal balance between a confident daily driver and a capable hard-core off-road platform, combining long-arm geometry with premium, service-free components.

The "Adventure-X" designation signifies the inclusion of eight fully adjustable control arms fitted with 100% service-free Adventure Series joints. The long-arm design improves suspension geometry for greater articulation, reduced bind, and more controlled axle movement over rough terrain compared to factory or short-arm configurations.

The "PRO" tier upgrades the lower control arms to four billet aluminum CNC-machined units in a long-arm length — delivering exceptional strength with a maintenance-free design that eliminates the need for regular greasing.

The "No Limits" name refers to the included front sway bar links, which are specifically engineered to work with the factory electronic sway bar disconnect found on Rubicon models. The sway bar links feature factory-sized hardware, a CNC-machined billet aluminum center section, and Made-in-USA FK Bearing heim joints.

Key Features:

• 4.5 inches of lift height (based on Rubicon models)
• Full high-clearance 4-link long-arm front suspension for improved geometry and articulation
• High-clearance independent 3-link long-arm rear suspension with X2 geometry
• Four billet aluminum CNC-machined, service-free long-arm lower control arms
• Eight adjustable control arms with 100% service-free Adventure Series joints
• "No Limits" sway bar links compatible with factory Rubicon electronic sway bar disconnect
• CNC-machined billet aluminum sway bar link center section with FK Bearing USA-made heim joints
• Triple-rate coil springs for improved on-road comfort over OEM linear-rate springs
• High-clearance rear axle mounts for increased underbody clearance
• Rear upper shock relocation brackets to preserve full shock and suspension travel
• Correction pads included to reduce factory spring bow
• Front and rear track bar geometry corrections to properly center axles
• Designed and manufactured in the USA

The Rock Krawler Adventure-X PRO No Limits Long-Arm System is a comprehensive suspension solution engineered to perform from the street to the most demanding trails, giving 4-door JL Wrangler owners a capable, comfortable, and maintenance-free lift system.