Rancho RS5000X 2.5-4″ Rear Lift Shocks for 1969-1993 Dodge W300, W350 4WD

Description
Rancho RS5000X 2.5-4″ Rear Lift Shocks for 1969-1993 Dodge W300, W350 4WD

Rancho RS5000X 2.5-4″ Rear Lift Shocks for 1969-1993 Dodge W300, W350 4WD

Part Number: RS55005

Summary: The Rancho RS5000X series leverages advanced CrossTune technology to provide a significant upgrade over factory damping for your classic Dodge or Plymouth 4WD. These twin-tube gas-pressurized shocks are specifically engineered to handle the increased demands of a 2.5 to 4-inch lift, offering a perfect balance of on-road comfort and off-road durability. By utilizing a progressive engagement valving system, these shocks minimize harshness during initial impacts while maintaining firm control during heavy suspension cycling.

Features

• CrossTune Technology: A unique progressive valving system provides a custom-tuned compression and rebound profile to ensure consistent ride quality across varied terrain.
• Twin-Tube Gas Pressure: A 5/8-inch nitro-carburized piston rod provides increased structural rigidity to ensure long-term durability in harsh environments.
• Protective Boot: Included polyvinyl accordion boot provides a physical barrier for the oil seal to ensure protection against rocks, mud, and debris.
• All-Weather Fluid: Specialized synthetic oil contains friction modifiers to provide reduced internal heat to ensure consistent performance in extreme temperature fluctuations.

Technical Specifications

Fitment

• 1969-1993 Dodge W300 4WD
• 1969-1993 Dodge W350 4WD
• 1974-1981 Plymouth Trailduster 4WD
• Note: I.D. of shock bushing is smaller than mounting pin & requires lubrication & extra effort for installation. Configured for 2.5-4″ rear lift heights.

What’s Included

• Includes 2 Shocks (Pair)
• Protective Dust Boots
• Installation Hardware & Bushings

Why Choose This Product?

• Engineering Advantage: Rancho’s application-specific tuning ensures that the valving is matched to the weight and leaf-spring rate of the Dodge/Plymouth heavy-duty chassis rather than a “one size fits all” approach.
• Performance Benefit: The twin-tube design is inherently more resistant to external damage; a dent in the outer shell will not bind the internal piston, ensuring you get home from the trail.

Related Products

Front Only (Same Series):
Rancho RS5000X 2.5-4" Front Lift Shocks for 1969-1993 Dodge W300, W350 4WD

RS90000XL (Front):
Rancho RS90000XL 2.5-4" Front Lift Shocks for 1969-1993 Dodge W300, W350 4WD

RS90000XL (Rear):
Rancho RS90000XL 2.5-4" Rear Lift Shocks for 1969-1993 Dodge W300, W350 4WD

RS5000X (Kit):
Rancho RS5000X 2.5-4" Lift Shocks for 1969-1993 Dodge W300, W350 4WD

RS90000XL (Kit):
Rancho RS90000XL 2.5-4" Lift Shocks for 1969-1993 Dodge W300, W350 4WD

Frequently Asked Questions

Will these shocks lift my truck?
No, these shocks do not create lift. They are extended-length dampers designed to work with vehicles that have already been modified with a 2.5″ to 4″ rear lift kit.

What does the Fitment Note mean regarding the bushings?
The inner diameter of the polyurethane bushing is designed for a precision interference fit. You will need to apply a silicone-based lubricant to the mounting pin to facilitate installation.

Are these shocks sold as a pair?
Yes, this specific SKU (2xRS55005) includes a pair of two (2) shocks for the rear axle.