Rancho RS90000XL 4″ Lift Shocks for 2001-2007 Chevy Silverado 1500HD Torsion Bar

Description
Rancho RS90000XL 4″ Lift Shocks for 2001-2007 Chevy Silverado 1500HD Torsion Bar

Rancho RS9000XL 4″ Lift Shocks for 2001-2007 Chevy/GMC 1500HD/2500

Part Number: RS999296 / RS994297

Summary: The Rancho RS9000XL series delivers industry-leading versatility for heavy-duty applications through its globally recognized adjustable damping technology. Featuring a 9-position manual tuning knob, these shocks allow owners of the Silverado 1500HD and Yukon XL 2500 to instantly transition from a plush street ride to a firm setting for heavy towing or off-road excursions. Specifically configured for vehicles with a 4-inch lift, these large-body shocks provide the increased fluid capacity necessary to maintain consistent damping performance under high-stress conditions.

Features

• MyRide 9-Position Tuning: A manual adjustment knob provides nine levels of damping control to ensure the vehicle is perfectly calibrated for daily driving, towing, or off-road use.
• Large Shock Body: The 2.75-inch diameter reserve tube provides increased oil capacity to ensure cooler operating temperatures and reduced fade during heavy-duty cycles.
• Nitrogen Gas Pressurized: High-pressure gas charge provides a faster response rate to ensure consistent tire-to-road contact on uneven terrain.
• Fluon-Banded Piston: A specialized piston seal provides a consistent seal between the piston and pressure tube to ensure long-term durability and smooth valving transitions.

Technical Specifications

Fitment

• 2001-2007 Chevy Silverado 1500HD (Torsion Bar Suspension)
• 2001-2007 GMC Yukon XL 2500
• Note: Designed specifically for use with Rancho Suspension 4-inch lift systems.

What’s Included

• (2) RS999296 Front Shocks
• (2) RS994297 Rear Shocks
• Protective Red Dust Boots
• Required Mounting Hardware

Why Choose This Product?

• Engineering Advantage: Rancho’s 9-position tuning technology eliminates the “one size fits all” compromise of standard shocks, allowing for mechanical optimization of the suspension’s rebound and compression.
• Performance Benefit: Drivers gain total control over their ride quality, significantly reducing body roll when hauling heavy loads while maintaining comfort during empty-bed commuting.

Related Products

RS5000X (Rear):
Rancho RS5000X 4" Rear Lift Shocks for 2001-2007 Chevy Silverado 1500HD Torsion Bar

RS5000X (Front):
Rancho RS5000X 4" Front Lift Shocks for 2001-2007 Chevy Silverado 1500HD Torsion Bar

RS90000XL (Rear):
Rancho RS90000XL 4" Rear Lift Shocks for 2001-2007 Chevy Silverado 1500HD Torsion Bar

RS90000XL (Front):
Rancho RS90000XL 4" Front Lift Shocks for 2001-2007 Chevy Silverado 1500HD Torsion Bar

RS5000X (Kit):
Rancho RS5000X 4" Lift Shocks for 2001-2007 Chevy Silverado 1500HD Torsion Bar

Frequently Asked Questions

How do I adjust the settings on these shocks?
The RS9000XL features an easy-to-turn external knob at the base of the shock, allowing you to manually click through nine distinct damping levels without tools.

Will these shocks work with a stock height vehicle?
No, these specific part numbers are extended-length shocks configured for vehicles equipped with a 4-inch suspension lift.

What is the benefit of the larger 2.75-inch body?
The larger body increases the volume of hydraulic fluid, which helps dissipate heat faster, preventing the “fading” or softening of the shock during aggressive off-road use or heavy towing.

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