Your cart is currently empty!
Rancho RS5000X 2.5-4″ Front Lift Shocks for 1977-1986 GMC K3500 4WD
Description
Rancho RS5000X 2.5-4″ Front Lift Shocks for 1977-1986 GMC K3500 4WD
Rancho RS5000X 2.5-4″ Front Lift Shocks for 1977-1986 GMC K3500 4WD
Part Number: RS55001
Summary: The Rancho RS5000X series utilizes an innovative Cross-Curve valve system to provide a significant upgrade in ride quality for your GMC K3500. Designed specifically for vehicles with 2.5 to 4 inches of front lift, these twin-tube shocks excel at minimizing harsh impacts while maintaining excellent on-road stability. This gas-pressurized design ensures consistent damping performance and durability during both daily commutes and off-road excursions.
Features
- Cross-Curve Valve Technology: A custom-tuned valving system provides a progressive engagement of the valving to ensure a smooth, controlled ride on various terrains.
- Twin-Tube Gas Pressure: The nitrogen-charged twin-tube design provides increased oil capacity and dent resistance to ensure long-lasting performance in rugged environments.
- Protective Boot: A durable red polyvinyl accordion boot provides a physical barrier for the shock rod to ensure protection against rocks, mud, and debris.
Technical Specifications
| Specification | Value |
|---|---|
| Series | RS5000X |
| Position | Front |
| Extended Length | 21.08 inches |
| Compressed Length | 13.39 inches |
| Travel | 7.69 inches |
| Upper Mount Type | LS24 |
| Lower Mount Type | OE-Style Mount |
| Construction | Twin-Tube |
Fitment
- 1977-1986 GMC K3500 4WD
- Note: 2 & 4 Door with Rancho Suspension; Configured for 2.5-4″ front lift.
What’s Included
- Includes 2 Shocks
- Protective Dust Boots
- Mounting Hardware (where applicable)
Why Choose This Product?
- Engineering Advantage: Rancho’s Cross-Curve technology manages high-speed impacts more effectively than standard shocks, reducing the “harshness” typically felt in lifted leaf-spring applications.
- Performance Benefit: Drivers experience reduced body roll and improved tire-to-road contact, resulting in a more confident and comfortable driving experience.
Related Products
Rear Only (Same Series):
Rancho RS5000X 2.5-4" Rear Lift Shocks for 1977-1986 GMC K3500 4WD
RS90000XL (Front):
Rancho RS90000XL 2.5-4" Front Lift Shocks for 1977-1986 GMC K3500 4WD
RS5000X (Kit):
Rancho RS5000X 2.5-4" Lift Shocks for 1977-1986 GMC K3500 4WD
Frequently Asked Questions
Will these shocks lift my GMC K3500?
No, these shocks do not create lift. They are specifically valved and length-matched for vehicles already equipped with a 2.5″ to 4″ suspension lift.
What is the benefit of the Twin-Tube design?
The twin-tube design is highly durable for off-road use; if the outer tube is dented by a rock, the inner working cylinder remains unaffected, allowing the shock to continue functioning.
Are these shocks sold as a pair?
Yes, this specific SKU (2xRS55001_n650) includes two front shocks to complete the front axle of your vehicle.
Be the first to review “Rancho RS5000X 2.5-4″ Front Lift Shocks for 1977-1986 GMC K3500 4WD”
Questions and answers of the customers
There are no questions yet. Be the first to ask a question about this product.





Reviews
There are no reviews yet.