Rancho RS5000X 1-2.5″ Front Lift Shocks for 2011-2020 GMC Sierra 2500HD

Description
Rancho RS5000X 1-2.5″ Front Lift Shocks for 2011-2020 GMC Sierra 2500HD

Rancho RS5000X 1-2.5″ Front Lift Shocks for 2011-2020 GMC Sierra 2500HD

Part Number: RS55378

Summary: The Rancho RS5000X series is engineered to deliver a significant upgrade in ride quality and durability for heavy-duty trucks. Utilizing a sophisticated twin-tube design with Progressive Engagement Valving, these shocks are specifically configured for GMC Sierra 2500HD/3500HD models with 1-2.5 inches of front lift. By reducing initial impacts and controlling body roll, they provide the smooth street comfort and rugged off-road resilience required for work and play.

Features

• Progressive Engagement Valving: A custom-tuned internal shim stack provides increased control during high-velocity movements to ensure stability on rough terrain.
• Twin-Tube Gas Pressure: The 2.25-inch diameter reserve tube provides increased oil capacity to ensure cooler operating temperatures during heavy hauling.
• Nitro-Carburized Piston Rod: The heavy-duty 16mm rod construction provides superior corrosion resistance to ensure long-term seal integrity.
• Polyurethane Bushings: High-density material inserts provide enhanced durability compared to rubber to ensure a quiet and controlled ride.

Technical Specifications

Fitment

• 2011-2020 GMC Sierra 2500HD
• 2011-2020 GMC Sierra 3500HD
• Note: Not for use with aftermarket shock spacers or relocation brackets. Designed for vehicles with 1″ to 2.5″ of front lift.

What’s Included

• Includes 2 Shocks
• Required Installation Hardware
• Protective Shock Boots

Why Choose This Product?

• Engineering Advantage: Rancho’s cross-tuned technology balances low-speed comfort with high-speed damping, preventing the harshness often found in heavy-duty suspension systems.
• Performance Benefit: Large-bore construction and specialized valving minimize aeration and shock fade, keeping your Sierra level and composed under load.

Related Products

RS7MT (Front):
Rancho RS7MT 1-2.5" Front Lift Shocks for 2011-2020 GMC Sierra 2500HD

Frequently Asked Questions

Will these shocks lift my GMC Sierra?
No, these shocks do not create lift. They are specifically lengthened and valved to accommodate vehicles that already have 1″ to 2.5″ of front lift installed.

Are these sold as a pair or individually?
This specific SKU (2xRS55378_n606) includes a pair of two (2) shocks for the front of your vehicle.

Can I use these with my factory shock spacers?
No, these shocks should not be used in conjunction with aftermarket shock spacers or relocation brackets as it may exceed the suspension’s travel limits.