Rancho RS90000XL 4″ Lift Shocks for 2001-2010 Chevy Silverado 2500HD

Description
Rancho RS90000XL 4″ Lift Shocks for 2001-2010 Chevy Silverado 2500HD

Rancho RS9000XL 4″ Lift Shocks for 2001-2010 Chevy Silverado 2500HD

Part Number: RS999289 / RS994297

Summary: The Rancho RS9000XL series provides industry-leading versatility for heavy-duty trucks and SUVs. Featuring a 9-position manual adjustment knob, these shocks allow owners to instantly tune damping levels to compensate for varying payloads or terrain. This specific set is engineered for vehicles equipped with a 4-inch lift, ensuring the piston operates within its optimal stroke range for maximum control and comfort.

Features

• 9-Position Tuning: A manual adjustment knob provides nine levels of damping control to ensure the perfect ride for daily commuting, towing, or off-road use.
• Large Shock Body: The 2.75-inch diameter reserve tube provides increased fluid capacity to ensure cooler operating temperatures during heavy-duty hauling.
• Nitrogen Gas Charged: High-pressure gas optimization provides immediate response to road imperfections to ensure consistent tire-to-road contact.
• Protective Boot: A heavy-duty liquid metallic finish and included shock boot provide a barrier against debris and corrosion to ensure long-term seal integrity.

Technical Specifications

Fitment

• 2001-2010 Chevy Silverado 2500HD
• 2003-2009 Hummer H2
• Note: Only compatible with vehicles equipped with Rancho Suspension systems.

What’s Included

• (2) RS999289 Front Shocks
• (2) RS994297 Rear Shocks
• Red Protective Dust Boots

Why Choose This Product?

• Engineering Advantage: Rancho’s MyRide technology allows for a 400% change in damping force between setting 1 and 9, offering the widest tuning range in its class.
• Performance Benefit: Eliminates the compromise between street comfort and heavy-duty stability, giving the driver total authority over vehicle dynamics.

Related Products

RS5000X (Rear):
Rancho RS5000X 4" Rear Lift Shocks for 2001-2010 Chevy Silverado 2500HD

RS5000X (Front):
Rancho RS5000X 4" Front Lift Shocks for 2001-2010 Chevy Silverado 2500HD

RS90000XL (Rear):
Rancho RS90000XL 4" Rear Lift Shocks for 2001-2010 Chevy Silverado 2500HD

RS90000XL (Front):
Rancho RS90000XL 4" Front Lift Shocks for 2001-2010 Chevy Silverado 2500HD

RS5000X (Kit):
Rancho RS5000X 4" Lift Shocks for 2001-2010 Chevy Silverado 2500HD

Frequently Asked Questions

How do I adjust the firmness of these shocks?
The RS9000XL features an external 9-position knob located at the base of the shock; simply turn the dial to your preferred setting—lower for comfort, higher for towing.

Will these shocks lift my truck 4 inches?
No, these shocks do not create lift. They are specifically valved and sized for vehicles that already have a 4-inch suspension lift installed.

Does this include all four shocks for my vehicle?
Yes, this SKU includes a full set of four shocks (two front and two rear) specifically matched for the 2500HD and H2 platforms.

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