Rancho RS5000X 0″ Lift Shocks for 2003-2008 Isuzu Ascender Air Springs

Description
Rancho RS5000X 0″ Lift Shocks for 2003-2008 Isuzu Ascender Air Springs

Rancho RS5000X 0″ Lift Shocks for 2003-2008 Isuzu Ascender / Oldsmobile Bravada

Part Number: RS55817 / RS55386

Summary: The Rancho RS5000X series provides a significant upgrade over factory damping for the Isuzu Ascender and Oldsmobile Bravada equipped with rear air springs. Utilizing a sophisticated twin-tube gas-pressurized design, these shocks are engineered to provide smooth street comfort while maintaining the durability required for light off-road use. By optimizing the valving for stock ride heights, Rancho ensures your SUV maintains a level, controlled stance without compromising daily driveability.

Features

• Cross-Tuned Technology: A unique progressive engagement valving system provides a smooth transition between low and high-speed impacts to ensure consistent ride quality across varying terrains.
• Gas Pressurized Design: High-pressure nitrogen gas charge provides a reduction in aeration and foaming to ensure fade-free performance during extended driving cycles.
• Heavy-Duty Construction: A 2.25-inch diameter reserve tube provides increased oil capacity to ensure cooler operating temperatures under heavy loads.
• Nitro-Carburized Piston Rod: The specialized rod finish provides superior corrosion resistance and seal lubrication to ensure a long service life in harsh environments.

Technical Specifications

Fitment

• 2003-2008 Isuzu Ascender (Air Springs)
• 2003-2004 Oldsmobile Bravada
• Note: Specifically configured for vehicles with rear air spring suspension systems at factory height.

What’s Included

• Includes 4 Shocks (Full Set)
• Protective Dust Boots
• Required Installation Bushings and Hardware

Why Choose This Product?

• Engineering Advantage: Rancho’s patented valving system is specifically tuned to the weight and geometry of the GMT360 platform, offering better-than-OE control.
• Performance Benefit: Drivers will experience reduced body roll and improved stability, particularly when the vehicle is loaded or towing.

Related Products

RS5000X (Rear):
Rancho RS5000X 0" Rear Lift Shocks for 2003-2008 Isuzu Ascender Air Springs

RS5000X (Front):
Rancho RS5000X 0" Front Lift Shocks for 2003-2008 Isuzu Ascender Air Springs

Frequently Asked Questions

Will these shocks lift my vehicle?
No, these shocks are configured for 0″ of lift and are designed to work with your factory ride height and air spring settings.

Are the boots included with these shocks?
Yes, all Rancho RS5000X shocks include red protective dust boots to shield the piston rod from debris.

Does this kit include all four shocks?
Yes, this specific SKU includes a full set of four shocks for both the front and rear of your vehicle.