Rancho RS90000XL 4.5″ Rear Lift Shocks for 2019 Chevy Silverado 1500 Old Body

Description
Rancho RS90000XL 4.5″ Rear Lift Shocks for 2019 Chevy Silverado 1500 Old Body

Rancho RS90000XL 4.5″ Rear Lift Shocks for 2019 Chevy Silverado 1500 Old Body

Part Number: RS994297

Summary: The Rancho RS9000XL series provides a premium adjustable damping solution for drivers who demand total control over their vehicle’s ride profile. Featuring a 9-position manual tuning knob, these shocks allow you to instantly transition from a soft street ride to a firm setting for heavy towing or aggressive off-road use. Specifically configured for 4.5-inch rear lift heights, they ensure your suspension maintains optimal travel and control after a lift kit installation.

Features

• 9-Position Tuning: A manual adjustment knob provides nine distinct levels of damping force to ensure customized ride control for any terrain or load.
• Tri-Tube Design: The heavy-duty 2.75-in. diameter body provides increased oil capacity to ensure cooler operation and consistent performance during extreme use.
• Nitrogen Gas Pressurization: High-pressure gas charging provides a barrier against oil aeration to ensure immediate response and fade-free damping.
• Polyurethane Bushings: High-density polyurethane material provides enhanced durability compared to rubber to ensure long-term stability and reduced deflection.

Technical Specifications

Fitment

• 2019-2019 Chevy Silverado 1500 Old Body
• 2003-2009 Hummer H2
• Note: with Rancho Suspension

What’s Included

• Includes 2 Shocks
• Protective Shock Boots
• Mounting Hardware and Bushings

Why Choose This Product?

• Engineering Advantage: Rancho’s MyRide technology offers one of the most versatile damping ranges in the industry, allowing for over a 400% difference between setting 1 and setting 9.
• Performance Benefit: Eliminates the “one size fits all” compromise of standard shocks, giving the driver the ability to stiffen the rear end for heavy trailers or soften it for daily commuting.

Related Products

RS5000X (Rear):
Rancho RS5000X 4.5" Rear Lift Shocks for 2019 Chevy Silverado 1500 Old Body

Frequently Asked Questions

How do I adjust the firmness of these shocks?
The RS9000XL features a red 9-position knob located at the base of the shock body. Simply turn the dial to your desired setting; lower numbers are softer, while higher numbers provide firmer damping.

Will these shocks work with a factory-height truck?
No, these shocks are specifically configured for a 4.5-inch rear lift height. Using them on a stock-height vehicle may result in the shock bottoming out, causing internal damage.

What is the benefit of the large 2.75-inch body?
The larger diameter allows for a greater volume of hydraulic fluid, which helps dissipate heat more efficiently than standard 2-inch shocks, preventing performance fade during heavy-duty use.