Rancho RS5000X 0″ Rear Lift Shocks for 1971-2003 Dodge B300, B350, B3500

Description
Rancho RS5000X 0″ Rear Lift Shocks for 1971-2003 Dodge B300, B350, B3500

Rancho RS5000X 0″ Rear Lift Shocks for 1971-2003 Dodge B300, B350, B3500

Part Number: RS55113

Summary: The Rancho RS5000X series leverages a unique Progressive Engagement Valving system to provide a significant upgrade over factory dampening. Designed for the Dodge B-Series vans and FJ-9 chassis, these twin-tube gas-pressurized shocks deliver exceptional durability and dent resistance for work and utility applications. By utilizing a larger 2.25-inch reserve tube, these shocks maintain cooler operating temperatures and consistent performance during heavy-duty cycles.

Features

• Progressive Engagement Valving: Custom-tuned internal discs provide a gradual transition to firm dampening to ensure a smooth street ride without sacrificing control.
• Twin-Tube Gas Pressure: A low-pressure Nitrogen gas charge provides reduced aeration and foaming to ensure consistent performance under load.
• Larger Shock Body: The 2.25-inch outer diameter reserve tube provides increased fluid capacity to ensure maximum heat dissipation during long hauls.
• Protective Boot: A heavy-duty red polyvinyl accordion boot provides a shield for the piston rod to ensure long-term seal integrity against road debris.

Technical Specifications

Fitment

• 1971-1980 Dodge B300
• 1981-1994 Dodge B350
• 1995-2003 Dodge B3500
• Note: Also fits AM General Model FJ-9 (US Postal)

What’s Included

• Includes 2 Shocks (Pair)
• Protective Red Dust Boots
• Mounting Bushings and Hardware

Why Choose This Product?

• Engineering Advantage: Rancho’s patented valving system is specifically tuned to the weight and geometry of heavy-duty van chassis to minimize body roll.
• Performance Benefit: The twin-tube design offers rugged reliability; even if the outer tube is dented, the inner pressure tube remains functional for uninterrupted service.

Related Products

Front Only (Same Series):
Rancho RS5000X 0" Front Lift Shocks for 1971-2003 Dodge B300, B350, B3500

RS7MT (Rear):
Rancho RS7MT 0" Rear Lift Shocks for 1971-2003 Dodge B300, B350, B3500

RS90000XL (Rear):
Rancho RS90000XL 0" Rear Lift Shocks for 1971-2003 Dodge B300, B350, B3500

RS5000X (Kit):
Rancho RS5000X 0" Lift Shocks for 1971-2003 Dodge B300, B350, B3500

Frequently Asked Questions

Will these shocks lift my vehicle?
No, these shocks are configured for 0″ of lift and are designed to replace factory-length shocks at stock ride height.

What is the benefit of the RS5000X over the original RS5000?
The RS5000X features an enlarged body and a cross-tuned valve circuit that reduces harshness when hitting square-edged bumps.

Are these sold as a pair?
Yes, this specific SKU (2xRS55113) includes a pair of two shocks for the rear of your vehicle.