Rancho RS5000X 0″ Lift Shocks for 2011-2020 GMC Sierra 2500HD

Description
Rancho RS5000X 0″ Lift Shocks for 2011-2020 GMC Sierra 2500HD

Rancho RS5000X 0″ Lift Shocks for 2011-2020 GMC Sierra 2500HD / 3500HD

Part Number: RS55377 / RS55379

Summary: The Rancho RS5000X series provides a significant upgrade for the GMC Sierra 2500HD and 3500HD, utilizing patented Progressive Engagement Valving to deliver a smooth street ride without sacrificing off-road durability. Designed for vehicles at stock ride height, these shocks feature a high-capacity twin-tube body that protects internal components from trail debris and stone pecking. By reducing initial impacts and minimizing fluid aeration, this set ensures consistent handling and comfort during daily commuting or heavy-duty hauling.

Features

• Progressive Engagement Valving: Custom-tuned internal discs provide a gradual ramp-up in damping force to ensure controlled handling over varied terrain.
• Twin-Tube Gas Pressure Cell: A 2.25-inch diameter reserve tube provides increased fluid capacity to ensure cooler operating temperatures and reduced fade during heavy use.
• Nitrogen Gas Charge: High-pressure gas displacement provides immediate response to piston movement to ensure zero aeration and consistent performance.
• Nitro-Carburized Piston Rod: A heavy-duty hardened finish provides superior scuff and corrosion resistance to ensure long-term seal integrity.

Technical Specifications

Fitment

• 2011-2020 GMC Sierra 2500HD
• 2011-2020 GMC Sierra 3500HD
• Note: Fits 4WD/2WD models at 0″ of lift.

What’s Included

• Includes 4 Shocks (Full Set)
• Protective Red Dust Boots
• Necessary Mounting Hardware and Bushings

Why Choose This Product?

• Engineering Advantage: Rancho’s cross-tuned technology optimizes the relationship between the piston and base valve for specific vehicle weights and geometries.
• Performance Benefit: Drivers experience reduced body roll and “harshness” on small bumps while maintaining the firmness required for towing and payload management.

Related Products

RS5000X (Front):
Rancho RS5000X 0" Front Lift Shocks for 2011-2020 GMC Sierra 2500HD

RS5000X (Rear):
Rancho RS5000X 0" Rear Lift Shocks for 2011-2020 GMC Sierra 2500HD

RS7MT (Rear):
Rancho RS7MT 0" Rear Lift Shocks for 2011-2020 GMC Sierra 2500HD

RS90000XL (Rear):
Rancho RS90000XL 0" Rear Lift Shocks for 2011-2020 GMC Sierra 2500HD

RS7MT (Front):
Rancho RS7MT 0" Front Lift Shocks for 2011-2020 GMC Sierra 2500HD

RS90000XL (Front):
Rancho RS90000XL 0" Front Lift Shocks for 2011-2020 GMC Sierra 2500HD

RS7MT (Kit):
Rancho RS7MT 0" Lift Shocks for 2011-2020 GMC Sierra 2500HD

RS90000XL (Kit):
Rancho RS90000XL 0" Lift Shocks for 2011-2020 GMC Sierra 2500HD

Frequently Asked Questions

Will these shocks lift my GMC Sierra?
No, these shocks are configured for 0-inch lift and are designed to replace factory-length dampers. They do not provide lift height.

What is the benefit of the twin-tube design for a heavy-duty truck?
The twin-tube design offers an outer reserve tube that acts as a shield; if the outer body is dented by road debris, the internal piston remains functional, ensuring durability in work environments.

Does this include all four shocks?
Yes, this specific package (SKU: 2xRS55377_2xRS55379) includes both front and rear shocks for a complete vehicle overhaul.