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Rancho Rear Shock, RS5000X Series - Sold Individually by Rancho

Part no: RS-55399

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This product fits only specific vehicles. Select your vehicle to ensure it fits.

Product Details


The Rancho RS5000X series design includes patented progressive rebound and compression discs. At lower speeds or in the earlier stages of the shock's travel, an eccentric disc in the valve shim stacks will engage the valving at lower frequencies, helping to control the energy of motion as the cycle of the shock increases or decreases in its action. When hitting a pothole, off-road trail obstacle or similar activity, Rancho's Progressive Engagement Valving allows for early flow of fluid, helping to reduce harsh initial impacts and to control the flow of fluid in a progressive, gradual manner through the valving.

Product Details:

  • Progressive Engagement Valving
  • Tuned compression control valve
  • Enlarged 2 1/4-in. twin tube body
  • Gas pressurization of shock
  • 16mm Nitro-Carburized rod
  • Full-displaced 35mm bore
  • 1 3/8-in. Diameter Sintered Iron piston
  • Black, Natural Rubber bushings with Protective Boot
  • Dynamic Rebound Spring (DRS) Technology

Parts Included:

  • (1) Shock
For California residents: Proposition 65 Warning

Vehicle Fitment

2011-2012JeepGrand Cherokee WK

Additional Information

SKU AliasesRS55399
Lift HeightFactory
PositionLeft, Right
Shock TypeMonotube
Sold AsEach

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