Rough Country - 68900U - X-Flex Long Arm Upgrade Kit for 4-6-inch Lifts for Jeep: 84-01 Cherokee XJ 4WD FITMENT: Jeep: 84-01 Cherokee XJ 4WD KIT CONTENTS: Lower high clearance arms with X-Flex Joints, upper control arms with X-Flex Joints, long arm mounting crossmember, transfer case skid plate, and hardware BENEFITS: Features high clearance lower control arm design; Extreme travel long arms keep optimum alignment and give optimum articulation; Features our X-Flex control arms:; Massive flex joints with 2.5-inch diameter body and huge 1.25-inch threads; All joints are fully rebuildable; Fully greasable; Adjustable retainer ring; Upper joints pivot up to 20 degrees; Lower joints pivot up to 35 degrees; Clevite brand OEM style rubber bushings TECHNICAL NOTES: Fits 2.5 or 4.0-Liter Gasoline engine with NP231 transfer case models only; Does not fit Diesel models; Does not fit 87-89 Peugeot manual transmission models ITEM SPECIFICS: Installation Time: 8-9 hours; Weight: 106.51-lbs; Superseded: 689U