Rancho RS90000XL 4″ Lift Shocks for 1999-2007 GMC Sierra 1500 4WD

Description
Rancho RS90000XL 4″ Lift Shocks for 1999-2007 GMC Sierra 1500 4WD

Rancho RS9000XL 4″ Lift Shocks for 1999-2007 GMC Sierra 1500 4WD

Part Number: RS999268

Summary: The Rancho RS9000XL series provides the ultimate in suspension versatility for your GMC Sierra 1500. Featuring a 9-position manual adjustment knob, these shocks allow you to instantly tune your ride quality for everything from highway comfort to heavy towing or aggressive off-road use. Specifically configured for vehicles with a 4-inch lift, this set ensures your leveled or lifted truck maintains optimal geometry and damping control regardless of the terrain.

Features

• MyRide Tuning System: A 9-position manual adjustment knob provides custom damping control to ensure the perfect ride for street, towing, or off-road applications.
• Large Diameter Body: The 2.75-in. (70mm) reserve tube provides increased fluid capacity to ensure cooler operation and reduced fade during high-temp cycles.
• Nitrogen Gas Charged: High-pressure gas integration provides a reduction in aeration and foaming to ensure consistent damping response in demanding conditions.
• Heavy-Duty Piston: A 18mm Nitro-Carburized rod provides structural rigidity and scuff resistance to ensure long-term seal integrity.

Technical Specifications

Fitment

• 1999-2007 GMC Sierra 1500 4WD
• 2000-2006 GMC Yukon
• Note: Fits “New Body” models equipped with Rancho Suspension systems.

What’s Included

• Includes Full Set (See Below)
• (2) RS999268 Front Adjustable Shocks
• (2) RS999269 Rear Adjustable Shocks
• Protective Red Shock Boots

Why Choose This Product?

• Engineering Advantage: The RS9000XL is the industry standard for adjustable damping, utilizing a tri-tube design that protects the internal pressure tube from external debris.
• Performance Benefit: Drivers gain the ability to switch from a “soft” street feel to a “firm” heavy-duty setting in seconds without removing the shocks.

Related Products

RS5000X (Rear):
Rancho RS5000X 4" Rear Lift Shocks for 1999-2007 GMC Sierra 1500 4WD

RS5000X (Front):
Rancho RS5000X 4" Front Lift Shocks for 1999-2007 GMC Sierra 1500 4WD

RS7MT (Front):
Rancho RS7MT 4" Front Lift Shocks for 1999-2007 GMC Sierra 1500 4WD

RS90000XL (Rear):
Rancho RS90000XL 4" Rear Lift Shocks for 1999-2007 GMC Sierra 1500 4WD

RS7MT (Rear):
Rancho RS7MT 4" Rear Lift Shocks for 1999-2007 GMC Sierra 1500 4WD

RS90000XL (Front):
Rancho RS90000XL 4" Front Lift Shocks for 1999-2007 GMC Sierra 1500 4WD

RS5000X (Kit):
Rancho RS5000X 4" Lift Shocks for 1999-2007 GMC Sierra 1500 4WD

RS7MT (Kit):
Rancho RS7MT 4" Lift Shocks for 1999-2007 GMC Sierra 1500 4WD

Frequently Asked Questions

How do I adjust the firmness of these shocks?
Each shock features a 9-position knob at the base of the body; simply turn the dial to your desired setting, with 1 being the softest and 9 being the firmest.

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

Do these shocks include the protective boots?
Yes, all Rancho RS9000XL shocks come standard with red protective polyvinyl boots to shield the rod and oil seal from contaminants.