Rancho RS90000XL 0″ Lift Shocks for 2011-2025 Chevy Silverado 3500HD

Description
Rancho RS90000XL 0″ Lift Shocks for 2011-2025 Chevy Silverado 3500HD

Rancho RS9000XL 0″ Lift Shocks for 2011-2025 Chevy Silverado 3500HD

Part Number: RS999377 / RS999379

Summary: The Rancho RS9000XL series provides industry-leading adjustability for the Chevy Silverado and GMC Sierra 3500HD. Featuring a 9-position manual tuning knob, these shocks allow owners to instantly transition from a soft street ride to a firm setting for heavy-duty towing or hauling. Engineered to maintain factory ride height, this complete set ensures your heavy-duty truck remains composed under varying load demands without compromising daily drivability.

Features

• 9-Position Tuning: A manual adjustment knob provides 400% change in damping control to ensure the driver can tune the ride for specific towing or off-road conditions.
• Large Shock Body: The 2.75-inch diameter reserve tube provides increased oil capacity to ensure cooler operating temperatures during heavy-duty use.
• Nitrogen Gas Charged: High-pressure gas optimization provides immediate response to road imperfections to ensure consistent tire-to-ground contact.
• Polyurethane Bushings: High-performance material provides enhanced durability and reduced deflection to ensure precise handling under load.

Technical Specifications

Fitment

• 2011-2025 Chevy Silverado 3500HD
• 2011-2025 GMC Sierra 3500HD
• Note: Designed for vehicles at factory ride height (0″ lift).

What’s Included

• Includes 4 Shocks (Full Front and Rear Set)
• Protective Red Dust Boots
• Installation Hardware

Why Choose This Product?

• Engineering Advantage: Rancho’s MyRide technology offers one of the widest damping ranges in the aftermarket, allowing for a truly custom-tuned suspension without swapping parts.
• Performance Benefit: Eliminates the “one size fits all” compromise, giving you a plush ride when empty and a rigid, stable platform when hitched to a trailer.

Related Products

RS5000X (Rear):
Rancho RS5000X 0" Rear Lift Shocks for 2011-2022 Chevy Silverado 3500HD

RS5000X (Front):
Rancho RS5000X 0" Front Lift Shocks for 2011-2022 Chevy Silverado 3500HD

RS7MT (Rear):
Rancho RS7MT 0" Rear Lift Shocks for 2011-2022 Chevy Silverado 3500HD

RS7MT (Front):
Rancho RS7MT 0" Front Lift Shocks for 2011-2022 Chevy Silverado 3500HD

RS90000XL (Front):
Rancho RS90000XL 0" Front Lift Shocks for 2011-2022 Chevy Silverado 3500HD

RS90000XL (Rear):
Rancho RS90000XL 0" Rear Lift Shocks for 2011-2022 Chevy Silverado 3500HD

RS5000X (Kit):
Rancho RS5000X 0" Lift Shocks for 2011-2022 Chevy Silverado 3500HD

RS7MT (Kit):
Rancho RS7MT 0" Lift Shocks for 2011-2025 Chevy Silverado 3500HD

Frequently Asked Questions

How do I adjust the firmness of these shocks?
The RS9000XL features a manual dial located on the shock body that allows you to click through 9 distinct levels of damping resistance.

Will these shocks lift my Silverado 3500HD?
No, these shocks are configured for 0-inches of lift and are designed to replace factory-length dampers while maintaining your current ride height.

What is the benefit of the larger 2.75-inch body?
The increased surface area and oil volume help dissipate heat faster, which prevents shock fade during long-distance towing or corrugated road driving.