Rancho RS5000X 5-6″ Lift Shocks for 2011-2018 GMC Sierra 2500HD

Description
Rancho RS5000X 5-6″ Lift Shocks for 2011-2018 GMC Sierra 2500HD

Rancho RS5000X 5-6″ Lift Shocks for 2011-2018 GMC Sierra 2500HD

Part Number: RS55382

Summary: The Rancho RS5000X series utilizes an innovative CrossTune Technology valve system to provide a significant upgrade in ride quality for lifted GMC Sierra heavy-duty trucks. Specifically engineered for vehicles with 5 to 6 inches of suspension lift, these shocks balance rugged off-road durability with smooth highway manners. The twin-tube gas-pressurized design ensures consistent damping performance by reducing fluid aeration during aggressive driving maneuvers.

Features

• CrossTune Technology: A unique progressive rebounding and compression disc system provides a precise strike-shift through the valving cycle to ensure a smooth ride across varied terrain.
• Nitrogen Gas Charge: High-pressure gas displacement provides a consistent response and eliminates foaming to ensure fade-free performance during heavy hauling or towing.
• 16mm Nitro-Carburized Rod: A heavy-duty hardened piston rod provides increased structural rigidity to ensure long-term durability against rock chips and corrosion.
• Polyurethane Bushings: High-density mounting material provides enhanced vibration dampening to ensure a quiet and controlled cabin environment.

Technical Specifications

Fitment

• 2011-2018 GMC Sierra 2500HD
• 2011-2018 GMC Sierra 3500HD
• Note: Fits models equipped with 5-inch to 6-inch suspension lift kits only.

What’s Included

• Includes 4 Shocks (2 Front & 2 Rear)
• Red Protective Dust Boots
• Required Installation Hardware and Bushings

Why Choose This Product?

• Engineering Advantage: Rancho’s application-specific valving is tuned to the exact weight and geometry of the HD Sierra platform, preventing the “stiff” ride often associated with universal heavy-duty shocks.
• Performance Benefit: The increased fluid capacity of the 2.25-inch body allows for cooler operation, resulting in more predictable handling when navigating washboard roads or job sites.

Related Products

RS5000X (Rear):
Rancho RS5000X 5-6" Rear Lift Shocks for 2011-2018 GMC Sierra 2500HD

RS5000X (Front):
Rancho RS5000X 5-6" Front Lift Shocks for 2011-2018 GMC Sierra 2500HD

Frequently Asked Questions

Will these shocks lift my GMC Sierra?
No, these shocks do not create lift. They are specifically length-configured to work with trucks that already have a 5-6 inch suspension lift kit installed.

What is the benefit of the twin-tube design?
The twin-tube design provides an outer reserve tube that protects the inner working cylinder from dents or trail damage, ensuring the shock remains functional even in harsh environments.

Are the boots required for installation?
While the shocks can function without them, the included red boots protect the nitro-carburized piston rod from debris, extending the life of the oil seals.