Rough Country X-Flex Long Arm Upgrade Kit

  • Rough Country X-Flex Long Arm Upgrade Kit

Rough Country 90900U X-Flex Long Arm Upgrade Kit for 4" Lifts | 99-04 Jeep Grand Cherokee WJ


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  • Aggressive appearance
  • High clearance low control arm design
  • Extreme travel long arms keep optimum alignment and give optimum articulation
  • Features our X-Flex control arm joints:
  • 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
  • Clevite brand OEM style rubber bushings

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  • Upper joints pivot up to 20 degrees.
  • Lower joints pivot up to 35 degrees.
  • Does NOT fit AWD models.
  • Models equipped with a CV style front driveshaft may result in driveshaft vibration. If this occurs, replacing the driveshaft, axle yoke and / or transfer case yoke will need to be performed to rid the vehicle of driveline vibration. CV Driveshaft Example

The Lifted Lifestyle - Rough Country


  • Adjustable High-clearance Lower Control Arms
  • Adjustable Upper Control Arms
  • .25" Thick Crossmember
  • Transfer Case Skid Plate
  • Sway Bar Quick Disconnects
  • Bumpstop Brackets
  • Brakeline Brackets
  • Hardware
  • Adjustable Y-link Upper Control Arm
  • Adjustable Lower Control Arms
  • Long Arm Frame Brackets
  • Long Arm Axle Mount
  • Sway Bar Brackets


  • Jeep
  • 99-04 Grand Cherokee WJ 4WD