X Factor Plus Long Arm Upgrade System for 99-04 Grand Cherokee WJ by Rock Krawler

Rock Krawler is proud to bring you the WJ X Factor Plus Long Arm Upgrade System. The X Factor Plus Systems are the best performing trail systems ever made for Grand Cherokee WJ’s! These systems feature our revolutionary independent 3 link front end with track bar. This design dominates the professional world of rock crawling while also maintaining perfect streetabiliy and precise handling. The upper control arm is full length so caster change is kept to a minimum. The front upper bushing in the differential is replaced with a build a ball joint for maximum articulation. Even the tinniest of details has been addressed with the X Factor Plus systems. The rear end features a triangulated 4 link assembly for awesome articulation and perfect axle positioning. The lower control arms feature a high clearance design to maximize ground clearance and cross over angles. The lower control arms are made of 2” solid alloy steel and use a Monster Bushing at the frame connection and Monster Krawler Joint at the axle connection to provide the ultimate in twist! All of our long arm mounting brackets are made from 3/16" thick laser cut steel and are precision welded. For added rear axle structure a weld in cradle and tie in plate made from 1/4” thick laser cut steel is used! Simply put, we feel this is the strongest, best articulating, long arm upgrade system ever made and we back that up with our Abuse Proof Lifetime Guarantee on all hard parts! System Benefits: -Excellent Highway Ride and Handling -High Clearance Lower Control Arms Front and Rear -Revolutionary Independent Three Link Front End for Awesome Flex and Control! -Rear Anit-Squat Geometry for unparalleled climbing ability -Weld on Rear Cradle to Make Rear Axle Swaps a Snap -Bolt in Long Arm Mounts to the Unibody Structure -Limited Lifetime Warranty System Includes: 4 high misalignment/ adjustable lower long arms made from 2.00" solid alloy steel, long arm brackets made from 3/16" thick/laser cut steel, 1 front upper high misalignment/adjustable torque made from solid alloy steel, rear upper triangulated four link design utilizing two high misalignment/double adjustable upper control arms made from solid alloy steel, rear triangulated four link upper mounting bracket made from 1/4" thick/laser cut steel, front adjustable sway bar disconnects, extended rear sway bar links, hardware and detailed instructions. Notes: *Requires welding of the rear cradle to the axle and removal of the OEM lower control arm brackets off the frame. **Requires a custom cat back exhuast system to be rerouted around the long rear upper arms. ***Valid for lift heights from 4" to 6.5".