ROCK KRAWLER 4.5IN X FACTOR X2 LONG ARM COILOVER SYSTEM LIFT KIT

The Rock Krawler JL 4.5 X2 Coil Over System is the ultimate JL Long Arm system for hard core rock crawling and features a front coil over set-up. The X Factor systems feature Independent 3 link designs front & rear for maximum articulation and off-road performance. The rear suspension provides adjustable anti-squat with X2 rear suspension geometry with enhanced rear instant center(s) and rear roll center(s). The new high clearance axle mounts provide 4.5” of ground clearance under the rear axle as compared to stock. The rear upper shock relocation brackets ensure you do not lose any shock or suspension travel. The combination of high clearance long arms and 3 link suspension geometry lets you dominate the trails. System Benefits 2.625” Remote Reservoir Coil Over Front 2.625” Remote Reservoir Shock Rear Excellent Highway Ride Improved Off-Road Ability Full High Clearance Design Independent 3 Link Long Arm Front Suspension Independent 3 Link Long Arm Rear Suspension Weld on Long Arm Mounting Brackets with Weld Scheduling just like OEM Heat Shield thermal barrier products, just like OEM to protect the front control arm joints at the frame 4.5” Rear Clearance Gain from the X2 Axle Bracket System Adjustable Rear Anti-Squat Featuring X2 Geometry Tire Fitment: Sport and Sahara with Full OEM Fenders 38” Tall Tires (4” Bump Stop Height Recommended) Sport and Sahara with Trimmed or High Lined OEM Fenders 40” Tall Tires (4” Bump Stop Height Recommended) Rubicon with Full OEM Fenders 39/40” Tall Tires (4” Bump Stop Height Recommended) Rubicon with Trimmed or High Lined OEM Fenders 42” Tall Tires (4” Bump Stop Height Recommended) Wheel Fitment: Sport and Sahara Wheel Fitment Recommendations 38” Tall Tires - Recommend 3.5” of Backspacing Rubicon Fitment Recommendations 39” Tall Tires - Recommend 4.0” of Backspacing 42” Tall Tires - Recommend 3.5” of Backspacing General Notes: *Requires the use of an Aftermarket Front Axle Housing with FAD Delete to Weld the Front Upper Arm Mount in place *All lift heights based on Rubicon models for standard style build (i.e., front bumper and winch, rear bumper and full-size spare). *If building with a spare delete, we recommend dropping 1” in coil lift height for the rear. *If building an overland or heavily upfitted build in the back, we recommend upsizing 1” in coil lift height for the rear. *Recommend a new front C.V. driveshaft for all front shocks with max. extended length greater than 29" *Requires welding of the Front and Rear Long Arm Mounts *Requires removal of the OEM frame side lower front and rear control arm mounts *Requires removal of the OEM frame side front and rear upper control arm mounts *Requires removal of the OEM axle side rear lower control arm and track bar mounts *Requires modifying the OEM rear shock mounts and welding of the raised rear upper shock mounts *Recommend installing limiting straps to avoid over extension of suspension components after vehicle is all set up *Requires removal of the OEM shock mount off the frame *Requires removal of the OEM shock and spring mount off the axle *Requires welding of the new coil over mount on the axle only *Required Steersmarts XD Yeti HD Bottom Mount Drag Link for Hard Off Road Use