Rock Krawler JT30PXNL-TR 3.0 Inch Pro-X No Limits Trail Runner Mid-Arm Suspension Lift System

The Rock Krawler JT30PXNL-TR 3.0" Pro-X "No Limits" Trail Runner System is a complete mid-arm suspension lift kit engineered to deliver maximum articulation, precise geometry, and outstanding on-road comfort in a fully bolt-in package. The Trail Runner configuration includes all core structural and spring components without shocks, allowing you to pair the system with your preferred shock absorbers.

The "No Limits" name comes from the inclusion of front sway bar links specifically engineered for compatibility with the factory electronic sway bar disconnect feature. Featuring a CNC-machined billet aluminum center section and Made-in-USA FK Bearing heim joints with factory-sized hardware, these links allow you to engage the factory disconnect at the push of a button for maximum trail articulation.

The "Pro-X" designation reflects the bolt-in triangulated rear upper control arms that form a 4-link rear assembly. This configuration eliminates the rear track bar entirely, keeps the rear axle perfectly centered, removes rear suspension bind, and eliminates the cross-talk between the front and rear track bars for a noticeably smoother highway ride.

Eight fully adjustable X-Factor Series control arms are at the heart of this system, offering up to 90 degrees of misalignment and the ability to precisely dial in caster and pinion angle both front and rear. Spring correction seats are included to reduce the coil bow inherent in the factory setup. Triple-rate front coil springs and quad-rate rear coil springs work in concert to provide excellent on-road compliance while maintaining the JT's factory rear load capacity rating.

Kit Includes:

• One (1) pair triple-rate front coil springs
• One (1) pair quad-rate rear coil springs
• Four (4) high-clearance adjustable lower control arms
• Four (4) adjustable upper control arms
• Four (4) spring correction seats
• One (1) adjustable front track bar
• One (1) pair No Limits front sway bar links (CNC billet aluminum, FK Bearing heim joints)
• One (1) Pro-X bolt-in rear axle cradle
• One (1) pair extended rear sway bar links
• All necessary hardware and installation instructions

System Benefits:

• Complete bolt-in installation — no cutting or welding required
• Bolt-in triangulated 4-link rear eliminates the rear track bar
• Eliminates front and rear track bar cross-talk for improved highway ride
• Rear axle remains perfectly centered for no compromise in on-road handling
• Precision-tunable caster and pinion angle front and rear
• Compatible with factory electronic sway bar disconnect function
• Front and rear spring correction seats minimize coil bow
• Lifetime warranty on all hard parts