Rock Krawler JL45X2PLA-4D 4.5 Inch X-Factor X2 Pro Long-Arm Suspension System Diesel 4-Door

The Rock Krawler JL45X2PLA-4D is a 4.5-inch X-Factor X2 Pro Long-Arm Suspension System purpose-built for the Jeep Wrangler JLU 4-Door diesel platform. Engineered for serious off-road enthusiasts who refuse to compromise between daily drivability and hard-core rock crawling performance, this complete long-arm lift system delivers proven geometry, superior articulation, and trail-dominating capability.

X2 Independent 3-Link Design:

• Independent 3-link front and rear suspension for maximum articulation and off-road performance
• Double adjustable front and rear upper control arms that upgrade factory hardware to 14mm with 2-3/8" mounting width
• 1" Pro Krawler joints at each end of the upper control arms for superior strength and misalignment capacity
• Chromoly solid steel upper arms engineered to handle the full forces of the suspension system
• "Adventure Series" maintenance-free joints at frame-side lower control arm connections to reduce grease points and absorb vibration
• PB&J billet aluminum lower control arms — custom CNC-machined in-house from solid square billet stock for extreme durability
• X2 rear suspension geometry with adjustable anti-squat and enhanced rear instant center and roll center tuning
• 4.5 inches of rear clearance gain from the X2 axle bracket system

Pro Features:

• "Pro" designation signifies the inclusion of billet aluminum lower control arms for maximum strength and weight savings
• Stable, confident handling on pavement, towing, and technical trails
• Compatible with stock and high-horsepower drivetrain configurations
• Designed specifically to accommodate the added weight of the diesel powertrain

Rock Krawler recommends a professional alignment by an off-road-experienced alignment specialist following installation. The X-Factor X2 long-arm suspension system represents Rock Krawler's commitment to delivering best-in-class geometry, exceptional trail performance, and long-term durability backed by their lifetime warranty on all hard parts.