Rancho RS90000XL 5-6″ Lift Shocks for 2002-2006 Chevy Avalanche 1500 4WD

Description
Rancho RS90000XL 5-6″ Lift Shocks for 2002-2006 Chevy Avalanche 1500 4WD

Rancho RS9000XL 5-6″ Lift Shocks for 2002-2006 Chevy Avalanche / Yukon 4WD

Part Number: RS999057 / RS999058

Summary: The Rancho RS9000XL series provides the ultimate in ride control versatility for lifted GM SUVs. Featuring a 9-position manual adjustment knob, these shocks allow drivers to instantly tune damping levels to compensate for varying loads, towing requirements, or off-road conditions. Engineered for vehicles with 5 to 6 inches of lift, this set delivers a massive shock body for increased fluid capacity and consistent performance under heavy use.

Features

• 9-Position Tuning: A manual adjustment knob provides nine levels of damping control to ensure the perfect balance between street comfort and firm towing stability.
• Large Shock Body: A 2.75-inch diameter reserve tube provides increased oil capacity to ensure cooler operating temperatures during heavy-duty cycles.
• Nitrogen Gas Charging: High-pressure gas optimization provides immediate response to road imperfections to ensure consistent tire-to-ground contact.
• Liquid Metallic Finish: A premium zinc-plated coating provides superior corrosion resistance to ensure long-term durability in harsh environments.

Technical Specifications

Fitment

• 2002-2006 Chevy Avalanche 1500 4WD
• 2000-2006 GMC Yukon 4WD
• Note: Fits New Body Style models only. Excluding Electronic Suspension (Z55) and Self-Leveling Nivomat Suspension (ZW7).

What’s Included

• (2) RS999057 Front RS9000XL Series Shocks
• (2) RS999058 Rear RS9000XL Series Shocks
• Protective Red Dust Boots

Why Choose This Product?

• Engineering Advantage: Rancho’s MyRide technology allows for a 400% change in damping force, moving from a soft “OE” feel to a high-performance firm setting in seconds.
• Performance Benefit: Eliminates the compromise between daily driving comfort and the stiffness required for hauling heavy trailers or navigating trails.

Related Products

RS90000XL (Rear):
Rancho RS90000XL 5-6" Rear Lift Shocks for 2002-2006 Chevy Avalanche 1500 4WD

RS90000XL (Front):
Rancho RS90000XL 5-6" Front Lift Shocks for 2002-2006 Chevy Avalanche 1500 4WD

Frequently Asked Questions

How do I adjust the firmness of these shocks?
Each shock features a 9-position knob at the base. Turning the knob allows you to manually increase or decrease the damping resistance to match your driving preference.

Will these shocks work with my factory Z55 Autoride suspension?
No, these shocks are designed for models with standard suspension and are not compatible with Electronic (Z55) or Nivomat (ZW7) self-leveling systems.

Are these shocks sold as a complete set?
Yes, this specific SKU includes a full set of four shocks (two front and two rear) configured for 5-6″ of lift.