Rancho RS90000XL 2.5-4″ Rear Lift Shocks for 1972-1993 Dodge W100, W150 4WD

Description
Rancho RS90000XL 2.5-4″ Rear Lift Shocks for 1972-1993 Dodge W100, W150 4WD

Rancho RS9000XL 2.5-4″ Rear Lift Shocks for 1972-1993 Dodge & Plymouth 4WD

Part Number: RS999005

Summary: The Rancho RS9000XL series delivers industry-leading versatility for classic Dodge and Plymouth 4WD applications. Featuring a 9-position manual adjustment knob, these shocks allow drivers to instantly tune damping levels to compensate for varying payloads or terrain. Whether you are daily driving, towing a heavy trailer, or navigating off-road trails, this Tier 2 adjustable system provides the specific ride control needed to optimize vehicle stability and comfort.

Features

• 9-Position Tuning: A manual adjustment knob provides nine levels of damping control to ensure the perfect balance between street comfort and off-road firmness.
• Large Shock Body: The increased fluid capacity provides improved heat dissipation to ensure consistent performance during heavy-duty hauling or long-distance travel.
• Nitrogen Gas Charged: High-pressure gas charging provides a reduction in aeration and foaming to ensure immediate response and predictable handling.
• Protective Boot: A durable shock boot provides a barrier against road debris and moisture to ensure the longevity of the piston rod and oil seal.

Technical Specifications

Fitment

• 1972-1993 Dodge W100 4WD
• 1972-1993 Dodge W150 4WD
• 1972-1993 Plymouth Trailduster 4WD
• Note: I.D. of shock bushing is smaller than mounting pin & requires lubrication & extra effort for installation.

What’s Included

• Includes 2 Shocks (Pair)
• Protective Red Dust Boots
• Replacement Bushings and Sleeves

Why Choose This Product?

• Engineering Advantage: Unlike standard non-adjustable shocks, the RS9000XL utilizes a multi-circuit valving system that allows the user to change the shock’s personality in seconds without tools.
• Performance Benefit: Eliminates the “one size fits all” compromise, allowing for a soft ride during empty-bed commuting and a firm, controlled ride when the truck is loaded to capacity.

Related Products

RS5000X (Front):
Rancho RS5000X 2.5-4" Front Lift Shocks for 1972-1993 Dodge W100, W150 4WD

RS5000X (Rear):
Rancho RS5000X 2.5-4" Rear Lift Shocks for 1972-1993 Dodge W100, W150 4WD

Front Only (Same Series):
Rancho RS90000XL 2.5-4" Front Lift Shocks for 1972-1993 Dodge W100, W150 4WD

RS5000X (Kit):
Rancho RS5000X 2.5-4" Lift Shocks for 1972-1993 Dodge W100, W150 4WD

RS90000XL (Kit):
Rancho RS90000XL 2.5-4" Lift Shocks for 1972-1993 Dodge W100, W150 4WD

Frequently Asked Questions

How do I adjust the firmness of these shocks?
The RS9000XL features a clearly marked 9-position knob at the base of the shock body. Simply turn the dial to “1” for the softest ride or “9” for maximum firmness.

Are these shocks sold as a pair?
Yes, this specific SKU (2xRS999005) includes two rear shocks to complete the rear axle of your vehicle.

Do I need special tools for the bushing installation?
Per the fitment notes, the bushings are designed for a tight fit on the mounting pins. Use a silicone-based lubricant and a press or vice to aid in installation.