Manufacturer: Rough Country Suspension Systems Part Number: 638U Weight (Lbs): 154 Install Time (Hours): 8-9
Upgrade your existing 4-inch or 6-inch Jeep LJ suspension kit to a Long Arm kit!
Rough Country's X-Flex Long Arm Upgrade Kit for 4-6-inch Lifts - 638U
Front: Lower high clearance arms with X-Flex Joints, upper control arms with X-Flex Joints, control arm mounting brackets, rubicon compressor bracket, Clevite bushings, and hardware Rear: Lower high clearance arms with X-Flex Joints, upper control arms with X-Flex Joints, track bar bracket, and hardware
Flex joints designed by Rough Country
Features high clearance lower control arm design
Extreme travel long arms keep optimum alignment and give optimum articulation
Slip Yoke Eliminator (#50-7906 - Only fits NP231 transfer cases) with CV Drive Shaft is recommended to avoid driveline vibration; "Rubicon" Package models do not need SYE kit, but CV Drive Shaft is still recommended; Exhaust will have to be cut and rerouted to make sure it is away from the moving components
Below is a list of vehicles that this product is designed for.