Off-Road for Everyone

4in Jeep X-series Suspension Lift Kit

$749.95
SKU: 639P In stock
Make sure it fits! - Fitment Table
Years Drive Make Model
1999-20044WDJeepWJ Grand Cherokee
Always check the product's notes, if applicable, for more important fitment information
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  • Pin It
  • Jeep Suspension Lift Kit [639P] Installed
  • Jeep Suspension Lift Kit [639P] Installed
  • Jeep Suspension Lift Kit [639P] Installed
  • X-Flex Control Arm Joint
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  • Download Instructions
  • Install Time: 6-8 hours
    Average estimated install time peformed by a professional shop or mechanic.
  • Tires: 265/75 R16
    Recommended tire size for use with this kit. Please see Instructions for complete notes on this tire size recommendation.
  • Wheel BS: Factory
    Recommended wheel backspacing for use with this kit. Please see Instructions for complete notes on wheel backspacing.
  • Easy bolt-on installation
  • Increased ground clearance
  • Levels the front with the rear of the vehicle
  • Lower control arms provide proper offset to allow for wider tires.
  • Control arms include Clevite brand OEM style rubber bushings
  • Kit maintains stock alignment for precise high speed handling and proper caster/pinion alignment.
  • Rear shock relocation keeps shocks clear from the tires.
  • X-Flex control arm features:
    • Clevite brand OEM style rubber bushings.
    • Flex joints are fully rebuildable.
    • Flex joints feature a massive 2.5" diameter body and 1.25" thread.
    • Fully greasable.
    • Adjustable retainer ring.
    • Lower joints pivot up to 35 degrees.

This product features Rough Country's Lifetime Replacement Warranty. All products are warranted to be free from defects in material and craftsmanship for the life of the vehicle if utilized in accordance with the manufacturer's instructions for installation and operation of said products. For complete details and coverage information please click here.

  • 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
  • Front
  • Lifted coil springs
  • Adjustable lower control arms
  • Sway-bar quick disconnects
  • Adjustable track bar
  • Bumpstop extensions
  • Transmission crossmember spacers
  • Hardware
  • Rear
  • Lifted coil springs
  • Upper control arm bracket
  • Sway-bar brackets
  • Bumpstop extensions
  • Shock relocation kit
  • Hardware
  • Shocks
  • (4) Performance 2.2 Series
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Years Drive Make Model
1999-20044WDJeepWJ Grand Cherokee