Rough Country X-Flex Long Arm Upgrade Kit for 4-inch Lifts

Rough Country's X-Flex Long Arm Upgrade Kit for 4-inch Lifts - 90900U
Models equipped with CV style front drive shaft may result in drive shaft vibration - If this occurs, replacing the drive shaft, axle yoke, and/or transfer case yoke will need to be performed to rid the vehicle of driveline vibration
Jeep: 99-04 Grand Cherokee WJ 4WD