Rancho RS90000XL 4″ Lift Shocks for 2001-2007 GMC Sierra 1500HD

Description
Rancho RS90000XL 4″ Lift Shocks for 2001-2007 GMC Sierra 1500HD

Rancho RS9000XL 4″ Lift Shocks for 2001-2007 GMC Sierra 1500HD

Part Number: RS999296 / RS994297

Summary: The Rancho RS9000XL series provides industry-leading versatility for heavy-duty GMC applications through its globally recognized 9-position manual tuning system. By allowing drivers to adjust damping levels across nine distinct settings, these shocks solve the common conflict between highway comfort and heavy-load stability. Engineered specifically for vehicles equipped with a 4-inch lift, these shocks ensure the suspension geometry remains optimized while delivering a custom-tailored ride quality for any terrain or towing requirement.

Features

• MyRide 9-Position Tuning: A manual adjustment knob provides nine levels of damping control to ensure the perfect balance between street comfort and off-road firmness.
• Large Shock Body: A 2.75-inch diameter reserve tube provides increased oil capacity to ensure cooler operating temperatures during heavy towing or hauling.
• Nitrogen Gas Pressurized: High-pressure gas charge provides a reduction in aeration and foaming to ensure consistent damping performance under high-cycle use.
• Polyurethane Bushings: High-performance shock bushings provide enhanced durability and reduced deflection to ensure precise handling and steering response.

Technical Specifications

Fitment

• 2001-2007 GMC Sierra 1500HD
• 2001-2007 GMC Yukon XL 2500
• Note: For use with Rancho Suspension systems.

What’s Included

• (2) RS999296 Front RS9000XL Shocks
• (2) RS994297 Rear RS9000XL Shocks
• Protective Red Shock Boots
• Required Installation Hardware

Why Choose This Product?

• Engineering Advantage: Rancho’s Tri-Tube design and large diameter body offer superior fluid capacity compared to standard OE shocks, preventing fade under load.
• Performance Benefit: The ability to switch from a soft setting for daily commuting to a firm setting for towing prevents “porpoising” and improves vehicle control.

Related Products

RS5000X (Front):
Rancho RS5000X 4" Front Lift Shocks for 2001-2007 GMC Sierra 1500HD

RS5000X (Rear):
Rancho RS5000X 4" Rear Lift Shocks for 2001-2007 GMC Sierra 1500HD

RS90000XL (Rear):
Rancho RS90000XL 4" Rear Lift Shocks for 2001-2007 GMC Sierra 1500HD

RS90000XL (Front):
Rancho RS90000XL 4" Front Lift Shocks for 2001-2007 GMC Sierra 1500HD

RS5000X (Kit):
Rancho RS5000X 4" Lift Shocks for 2001-2007 GMC Sierra 1500HD

Frequently Asked Questions

How do I adjust the firmness of these shocks?
The RS9000XL features a manual 9-position knob located at the base of the shock body; simply turn the dial to your preferred setting (1 for softest, 9 for firmest).

Do these shocks provide the 4-inch lift?
No, these shocks do not create lift. They are specifically valved and length-indexed to work with vehicles that already have a 4-inch suspension lift installed.

Will these fit a stock height GMC Sierra 1500HD?
No, these are specifically designed for vehicles with 4 inches of lift. Installing them on a stock height vehicle may result in the shock bottoming out and sustaining internal damage.

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