Rancho RS5000X 2.5-4″ Lift Shocks for 1969-1986 Chevy K-20 4WD
$274.70
In stock
Rancho RS5000X 2.5-4″ Lift Shocks for 1969-1986 Chevy K-20 4WD
Part Number: RS55001
Summary: The Rancho RS5000X series leverages a patented progressive rebound and compression disc system to provide a significant upgrade in ride quality for lifted applications. Engineered for the Chevy K-20, these gas-pressurized twin-tube shocks are designed to handle the rigors of off-road terrain while maintaining smooth street manners. The larger shock body allows for increased fluid capacity, ensuring cooler operation and consistent damping performance during extended use.
Features
- Crossed Landscape Valve System: Patented progressive valving provides custom-tuned damping for both on-road comfort and off-road control to ensure a versatile driving experience.
- Gas Pressurization: High-pressure nitrogen gas charge provides reduced aeration and foaming to ensure consistent performance under heavy cycling.
- Double-Welded Mounts: Reinforced loop-style end mounts provide extreme structural integrity to ensure longevity in harsh environments.
- Protective Boot: Included red polyvinyl accordion boot provides a physical barrier for the piston rod to ensure seal longevity against debris.
Technical Specifications
| Specification | Value |
|---|---|
| Shock Series | RS5000X |
| Internal Design | Twin-Tube Gas Pressurized |
| Body Diameter | 2.25-inch |
| Piston Rod | 16mm Nitro-Carburized |
| Configured Lift Height | 2.5-4 Inches |
| Quantity | Includes 4 Shocks |
Fitment
- 1969-1986 Chevy K-20 4WD
- 1992-1999 GMC Yukon
- Note: 2 & 4 Door models with Rancho Suspension.
What’s Included
- (2) RS55001 Front Shocks
- (2) RS55112 Rear Shocks
- Protective Red Dust Boots
- Mounting Hardware
Why Choose This Product?
- Engineering Advantage: Rancho’s patented valving technology transitions seamlessly between soft street damping and firm off-road resistance without manual adjustment.
- Performance Benefit: The twin-tube design offers a “fail-safe” outer wall, meaning a dent to the outer body will not restrict the inner piston’s movement, keeping you on the trail.
Related Products
RS5000X (Front):
Rancho RS5000X 2.5-4" Front Lift Shocks for 1969-1986 Chevy K-20 4WD
RS5000X (Rear):
Rancho RS5000X 2.5-4" Rear Lift Shocks for 1969-1986 Chevy K-20 4WD
RS7MT (Rear):
Rancho RS7MT 2.5-4" Rear Lift Shocks for 1969-1986 Chevy K-20 4WD
RS90000XL (Rear):
Rancho RS90000XL 2.5-4" Rear Lift Shocks for 1969-1986 Chevy K-20 4WD
RS90000XL (Front):
Rancho RS90000XL 2.5-4" Front Lift Shocks for 1969-1986 Chevy K-20 4WD
RS90000XL (Kit):
Rancho RS90000XL 2.5-4" Lift Shocks for 1969-1986 Chevy K-20 4WD
Frequently Asked Questions
Will these shocks lift my vehicle?
No, these shocks do not create lift. They are specifically configured with the correct extended and collapsed lengths to accommodate vehicles already equipped with a 2.5 to 4-inch suspension lift.
What is the benefit of the RS5000X gas charge?
The nitrogen gas charge minimizes the mixing of oil and air (foaming), which prevents the “fading” or softening of the shock’s damping force during aggressive driving.
Are boots included with these shocks?
Yes, this set includes Rancho’s signature red protective boots to shield the shock rods from rocks, mud, and road salt.
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