Rock Krawler 2021+ Jeep Wrangler JT (Diesel) 4.5in X Factor Pro (No Limits) AL. Coilover System

The Rock Krawler Suspension JT 4.5 inch DIESEL X-Factor PRO "No-Limits" Mid-Arm System is designed for Rubicon owners seeking a complete, bolt-in system with superior articulation. Features solid 7075 aluminum control arms with X-Factor benefits, front sway bar links for factory electronic sway bar disconnect, Made in USA FK bearing heim joints, and adjustable upper/lower control arms (95 degrees misalignment) with Pro-X Krawler Joints and Adventure Series joints. Reduces factory control arm bind and allows precision tuning of caster and pinion angle. Includes TRIPLE RATE front coils/QUAD RATE rear coils for excellent on-road comfort and off-road articulation, correction pads to reduce spring bow, and track bar geometry corrections for axle centering. System Benefits: Complete bolt-in, excellent highway ride, best off-road ability for mid-arm systems, improved rear roll center, tuned triple rate coils, spring correction seats, vehicle lean correction, upgradable to RK Longarm System, technical support, level stance, and lifetime warranty. Remote Reservoir 2.625" Coilover Shocks: Standard remote reservoir, IFP construction, 2.625" shock bodies, fluted aluminum bodies, 1" shaft, 1.25" mounting width, hard coat military grade black anodizing, fully serviceable and rebuildable. Wheel Fitment Recommendations: Sport/Overland: 37”/38” Tires - 3.5” Back Spacing; Rubicon: 37” Tires – 4.5” Back Spacing; 40” Tires – 3.5” Back Spacing. Tire Fitment: Sport/Overland with Full OEM Fenders: 37” Tires (3” Bump Stop); Trimmed/High Lined OEM Fenders: 38” Tires (3” Bump Stop); Rubicon with Full OEM Fenders: 37”/38” Tires (3” Bump Stop); Trimmed/High Lined OEM Fenders: 40” Tires (3” Bump Stop). General Notes: Lift heights based on Rubicon with standard build (front bumper, winch, rear bumper, full spare). For spare delete, drop 1” coil height rear. For 'overland style' or heavily up-fitted builds, upsize 1” coil height rear. New front driveshaft recommended for routine off-roading.