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Rancho RS55399 RS5000X Rear Shock for 11-12 Jeep Grand Cherokee WK2

Quadratec Part #: 16023.1035
Rancho Part #: RS55399
Easily upgrade the performance of your Jeep Grand Cherokee with Rancho RS5000X Rear Shocks. This bolt in rear shock Features Dynamic Rebound Spring Technology (DRS). DRS uses a unique internal spring system that is specifically designed to improve overall control under any driving conditions. The enlarged 2-1/4” twin tube shock body, along with low friction self-lubricating seals make this shock able to handle off road obstacles while maintain a comfortable on road feel. The included red boot attaches easily to the body of the shock for prolonged use and performance.

Piston: Rancho uses glass filled, Fluon banded, 1-3/8” diameter, sintered iron pistons in their RS5000X shocks. Fluon is a combination of glass and plastic that is engineered for its low friction properties. This high-tech piston rides on a heavy duty 16mm nitro-carburized rod.

Progressive Engagement Valving: RS5000X shocks and struts feature Rancho’s patented progressive rebound and compression discs. These specially designed discs automatically limit the flow of shock oil depending on the speed of compression. This gives your Jeep more control and comfort at any speed. Rancho’s Cross Tuned Technology is perfect for both highway driving, and off-road abuse.

Dynamic Rebound Spring (DRS) Technology: Rancho’s DRS uses a precisely tuned spring and internal geometry to reduce body roll and eliminate rod overextension.

Bushings: Rancho uses black natural rubber bushings in their shocks. Unlike other bushing materials materials, natural rubber is silent and works as an additional cushion against jolts and bumps.

Shock Body: The RS5000X’s heavy duty 2.25” twin tube shock body is built to last with double-welded loops and a 35mm bore.

Installation Notes
Installation Difficulty:
Level 2Intermediate
Installation Time: Less than an hour
Parts Included
  • RS5000X Rear Shock
  • Red Shock Boot
Limited Lifetime Warranty
  • Features: Rear, Twin Tube
  • Location: Rear
  • Fits Lift Heights: 0.00
  • Lift Range: 0 - 2.5 inch
  • Rear Collapsed Length: 16.050
  • Rear Extended Length: 20.910
  • Rear Travel: 4.86
  • Shipping Weight: 5lb
  • Shipping Dimensions: 25in x 5in x 4in (L x W x H)
  • Jeep Grand Cherokee (WK2)

  • 2012 Jeep Grand Cherokee (WK2)
  • 2011 Jeep Grand Cherokee (WK2)
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