Rancho RS5000X 5-6″ Rear Lift Shocks for 2011-2018 Chevy Silverado 3500HD

Description
Rancho RS5000X 5-6″ Rear Lift Shocks for 2011-2018 Chevy Silverado 3500HD

Rancho RS5000X 5-6″ Rear Lift Shocks for 2011-2018 Chevy Silverado 3500HD

Part Number: RS55383

Summary: The Rancho RS5000X series is engineered to provide a significant upgrade in ride quality and durability for heavy-duty applications. Specifically configured for 5-6 inches of rear lift, these shocks utilize a unique Progressive Engagement Valving system to manage the high unsprung weight of the Silverado and Sierra 3500HD. The twin-tube gas pressurized design ensures consistent damping performance and impact absorption during both daily transit and demanding work cycles.

Features

• Progressive Engagement Valving: A custom-tuned internal flow system provides a smooth transition between low and high-speed impacts to ensure controlled handling on uneven terrain.
• Twin-Tube Gas Pressure: The 150-PSI nitrogen gas charge provides a quicker response time and reduced aeration to ensure consistent damping under heavy loads.
• Double-Welded Mounts: Reinforced loop-style end mounts provide maximum structural integrity to ensure long-term durability in high-stress towing and hauling environments.
• Nitro-Carburized Piston Rod: A specialized heavy-duty coating provides superior scuff and corrosion resistance to ensure a long service life against road debris.

Technical Specifications

Fitment

• 2011-2018 Chevy Silverado 3500HD
• 2011-2018 GMC Sierra 3500HD
• Note: Fits models with 5-6 inches of rear lift height.

What’s Included

• Includes 2 Shocks
• Protective Black Shock Boots
• Mounting Hardware (where applicable)

Why Choose This Product?

• Engineering Advantage: Rancho’s Cross-Tuned technology optimizes the relationship between the piston and the valving, specifically calibrated for the geometry of lifted GM heavy-duty trucks.
• Performance Benefit: Large 2.25-inch body diameter increases fluid capacity, allowing the shock to run cooler and maintain stability during long-distance towing.

Related Products

Front Only (Same Series):
Rancho RS5000X 5-6" Front Lift Shocks for 2011-2018 Chevy Silverado 3500HD

RS5000X (Kit):
Rancho RS5000X 5-6" Lift Shocks for 2011-2018 Chevy Silverado 3500HD

Frequently Asked Questions

Will these shocks lift my truck?
No, these shocks do not create lift. They are specifically lengthened to accommodate vehicles that already have 5 to 6 inches of rear lift installed.

Are these shocks sold as a pair?
Yes, this SKU (2xRS55383) includes a pair of two (2) shocks for the rear axle.

What is the benefit of the RS5000X twin-tube design?
The twin-tube design is highly durable; even if the outer body is dented by road debris, the inner pressure tube remains functional, ensuring you aren’t stranded during off-road or work use.