Rancho RS7MT 4″ Lift Shocks for 2011-2018 Chevy Silverado 2500HD

Description
Rancho RS7MT 4″ Lift Shocks for 2011-2018 Chevy Silverado 2500HD

Rancho RS7MT 4″ Lift Shocks for 2011-2018 Chevy Silverado 2500HD

Part Number: RS77380 / RS77381

Summary: The Rancho RS7MT Monotube series is specifically engineered to handle the high-intensity demands of heavy-duty trucks equipped with a 4-inch lift. These shocks utilize a high-pressure nitrogen gas charge to separate the oil and gas, preventing performance-robbing aeration during aggressive driving. Designed for the 2011-2018 Chevy Silverado and GMC Sierra 2500HD/3500HD, they provide the precise damping required to maintain control and stability on both highway transitions and rugged off-road terrain.

Features

• Monotube Design: A high-pressure nitrogen gas charge provides rapid heat dissipation to ensure consistent damping performance under heavy loads.
• Internal Floating Piston (IFP): The physical separation of gas and oil provides zero aeration to ensure fade-free operation during repetitive cycling.
• Hardened Nitro-Carburized Rod: The 14mm piston rod provides superior corrosion resistance to ensure long-term seal integrity in harsh environments.
• Application Specific Valving: Custom-tuned internal shim stacks provide optimized vehicle control to ensure a balanced ride for lifted heavy-duty applications.

Technical Specifications

Fitment

• 2011-2018 Chevy Silverado 2500HD / 3500HD
• 2011-2018 GMC Sierra 2500HD / 3500HD
• Note: Configured for vehicles equipped with 4-inch suspension lift systems.

What’s Included

• Includes Full Set (See Below)
• (2) RS77380 Front Monotube Shocks
• (2) RS77381 Rear Monotube Shocks
• Protective Dust Boots

Why Choose This Product?

• Engineering Advantage: The RS7MT utilizes a high-pressure monotube architecture that reacts faster than traditional twin-tube shocks, making it ideal for the unsprung weight of heavy-duty wheel and tire packages.
• Performance Benefit: Drivers will experience a significant reduction in body roll and “float,” resulting in a more connected and predictable feel while towing or navigating off-road obstacles.

Related Products

RS5000X (Rear):
Rancho RS5000X 4" Rear Lift Shocks for 2011-2018 Chevy Silverado 2500HD

RS7MT (Front):
Rancho RS7MT 4" Front Lift Shocks for 2011-2018 Chevy Silverado 2500HD

RS5000X (Front):
Rancho RS5000X 4" Front Lift Shocks for 2011-2018 Chevy Silverado 2500HD

RS7MT (Rear):
Rancho RS7MT 4" Rear Lift Shocks for 2011-2018 Chevy Silverado 2500HD

RS90000XL (Rear):
Rancho RS90000XL 4" Rear Lift Shocks for 2011-2018 Chevy Silverado 2500HD

RS90000XL (Front):
Rancho RS90000XL 4" Front Lift Shocks for 2011-2018 Chevy Silverado 2500HD

RS5000X (Kit):
Rancho RS5000X 4" Lift Shocks for 2011-2018 Chevy Silverado 2500HD

RS90000XL (Kit):
Rancho RS90000XL 4" Lift Shocks for 2011-2018 Chevy Silverado 2500HD

Frequently Asked Questions

Will these shocks lift my truck?
No, these shocks do not create lift. They are specifically valved and length-tuned to work with a truck that already has a 4-inch suspension lift installed.

What is the benefit of a Monotube over a Twin-Tube shock?
The Monotube design features a single cylinder and a floating piston that prevents the oil from foaming (aeration). This leads to more consistent performance and faster reaction times compared to a twin-tube shock.

Are the boots included with these shocks?
Yes, these Rancho RS7MT shocks come equipped with protective boots to shield the nitro-carburized rod from road debris and contaminants.