Rancho RS5000X 4″ Front Lift Shocks for 1988-1999 GMC C1500 2WD

Description
Rancho RS5000X 4″ Front Lift Shocks for 1988-1999 GMC C1500 2WD

Rancho RS5000X 4″ Front Lift Shocks for 1988-1999 GMC C1500 2WD

Part Number: RS55128

Summary: The Rancho RS5000X series leverages a cross-tuned twin-tube design to provide a significant upgrade in ride quality for lifted GMC C1500 trucks. Engineered for 4-inch front lift applications, these shocks utilize a unique Progressive Engagement Valving system to manage harsh impacts and reduce body roll. The gas-pressurized twin-tube construction ensures maximum durability and a smooth street feel, making it the ideal solution for daily drivers that require consistent performance over varied road surfaces.

Features

• Progressive Engagement Valving: Custom-tuned internal discs provide a gradual transition between low and high-speed damping to ensure smooth ride quality without bottoming out.
• Nitrogen Gas Pressurization: A 150 PSI gas charge provides a consistent response and minimizes aeration to ensure fade-free performance during extended use.
• Twin-Tube Body: A 2.25-inch reserve tube provides increased oil capacity and dent resistance to ensure long-term reliability in rugged environments.
• Protective Boot: Included polyvinyl accordion boot provides a physical barrier for the piston rod to ensure the oil seal remains free of debris and contaminants.

Technical Specifications

Fitment

• 1988-1999 GMC C1500 2WD
• Note: Configured for vehicles with 4-inches of front lift.

What’s Included

• Includes 2 Shocks
• Shock Boots (Red)
• Mounting Hardware

Why Choose This Product?

• Engineering Advantage: Rancho’s cross-tuned valving is specifically optimized for the weight and geometry of the C1500 platform, unlike generic “white-can” shocks.
• Performance Benefit: Drivers will experience a reduction in “nosedive” during braking and improved stability during cornering, even with the higher center of gravity from a 4-inch lift.

Related Products

Rear Only (Same Series):
Rancho RS5000X 4" Rear Lift Shocks for 1988-1999 GMC C1500 2WD

RS90000XL (Rear):
Rancho RS90000XL 4" Rear Lift Shocks for 1988-1999 GMC C1500 2WD

RS90000XL (Front):
Rancho RS90000XL 4" Front Lift Shocks for 1988-1999 GMC C1500 2WD

RS5000X (Kit):
Rancho RS5000X 4" Lift Shocks for 1988-1999 GMC C1500 2WD

RS90000XL (Kit):
Rancho RS90000XL 4" Lift Shocks for 1988-1999 GMC C1500 2WD

Frequently Asked Questions

Will these shocks lift my truck?
No, these shocks do not create lift. They are specifically lengthened to accommodate a GMC C1500 that has already been equipped with a 4-inch lift kit.

Are these sold as a pair?
Yes, this SKU (2xRS55128_n599) includes a pair (2) of front shocks to cover both sides of your vehicle.

What is the benefit of the twin-tube design?
The twin-tube design is highly durable; if the outer body is dented by road debris, the inner working cylinder remains unaffected, ensuring the shock continues to function properly.

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