Rancho RS5000X 0″ Lift Shocks for 2003-2008 Isuzu Ascender Air Springs
Original price was: $458.52.$416.84Current price is: $416.84.
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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
| Specification | Value |
|---|---|
| Series | RS5000X |
| Construction | Twin-Tube Gas Pressurized |
| Lift Height | 0″ (Stock Height) |
| Body Diameter | 2.25″ |
| Piston Rod Material | Nitro-Carburized |
| Mounting Design | OE-Style Mount |
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.
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