23C F450 4WD 4.0IN X FACTOR PRO SYSTEM W/ BILLET ALUMINUM ARMS AND BILSTEIN 5100 SHOCKS

The Rock Krawler Suspension JL 4.5 inch X-Factor PRO Mid-Arm System is designed for Sport and Sahara owners desiring a complete, bolt-in system with excellent articulation. It features all 8 control arms made from solid 7075 aluminum, Pro-X Krawler Joints and Adventure Series joints for up to 95 degrees of misalignment, reducing factory control arm bind. It allows precision tuning of caster and pinion angle. TRIPLE RATE coils provide comfortable on-road ride, improved off-road articulation, and controlled reaction to bumps. The system includes correction pads to reduce spring bow and track bar geometry corrections for axle centering. It's upgradable to an RK Longarm System and comes with a Lifetime Warranty.