Rock Krawler JL35X2PNL-4DTR 3.5 Inch X-Factor X2 Pro No Limits Trail Runner Long-Arm Suspension System

The Rock Krawler 3.5-inch X-Factor X2 Pro "No Limits" Trail Runner Long-Arm Suspension System is engineered for Jeep Wrangler JL 4-door owners who demand hardcore off-road performance without sacrificing daily drivability. This complete long-arm lift system delivers 3.5 inches of lift and the geometry, ground clearance, and articulation needed to run 35–40-inch tires.

X-Factor X2 Long-Arm Geometry:

• Independent 3-link design front and rear for maximum articulation and off-road performance
• High-clearance 4-link front suspension combined with a high-clearance independent 3-link rear suspension
• Enhanced rear instant center and rear roll center geometry (X2) for improved stability and anti-squat adjustability
• Double adjustable front and rear upper control arms with 14mm hardware, 2-3/8-inch mounting width, and 1-inch Pro Krawler joints at each end
• Chromoly solid steel upper arms built to carry the full forces of the suspension

Pro Elite Billet Aluminum Lower Control Arms:

• Four CNC-machined billet aluminum lower control arms in long-arm length
• Custom machined in-house from solid square stock billet aluminum for maximum strength
• Adventure Series maintenance-free joints at frame connections — no greasing required

"No Limits" Sway Bar Links:

• Front sway bar links specifically designed for compatibility with the factory electronic sway bar disconnect
• CNC machined billet aluminum center section with factory-sized hardware
• Made-in-USA FK Bearing heim joints for long-term durability

Trail Runner Coilover System:

• RRD Racing coilovers with remote reservoirs for tuned front and rear performance
• Fast CD (Compression Dampening) adjusters included for enhanced on-the-fly tuneability
• Triple-rate coil springs for superior on-road comfort and off-road articulation
• Proper free-length coils that remain firmly seated in the coil bucket throughout the range of suspension travel

Complete System Includes:

• Correction pads to reduce factory spring bow
• Front and rear track bar geometry corrections to perfectly center both axles
• High-clearance axle brackets for increased ground clearance
• Rear upper shock relocation brackets to preserve full shock and suspension travel

Rock Krawler's X-Factor X2 Pro No Limits Trail Runner system is backed by Rock Krawler's industry-renowned lifetime warranty on all hard parts, giving you the confidence to push your Wrangler to its limits on any terrain.