Rancho RS5000X 0″ Lift Shocks for 1974-1983 Plymouth PB300, PB350

Description
Rancho RS5000X 0″ Lift Shocks for 1974-1983 Plymouth PB300, PB350

Rancho RS5000X 0″ Lift Shocks for 1974-1983 Plymouth PB300, PB350

Part Number: RS55199 / RS55116

Summary: The Rancho RS5000X series provides a significant upgrade for the Plymouth PB-series vans, utilizing a unique cross-tuned valve system to improve handling and ride quality. Engineered with a large 2.25-inch body, these twin-tube shocks offer increased fluid capacity to maintain cooler operating temperatures during extended use. Designed for stock height applications, this set delivers a smooth street feel while providing the durability required for heavy-duty hauling and vintage van maintenance.

Features

• Cross-Tuned Technology: A unique valve arrangement provides a progressive engagement to ensure smooth transition between varying road surfaces.
• Twin-Tube Gas Pressure: The nitrogen-charged 2.25-inch body provides increased fluid capacity to ensure consistent damping performance and fade resistance.
• Protective Boot: A heavy-duty red polyvinyl accordion boot provides a physical barrier for the shock rod to ensure long-term seal integrity against road debris.
• Sintered Iron Piston: A 35mm sintered iron piston provides structural rigidity and precision fitment to ensure a consistent rebound and compression stroke.

Technical Specifications

Fitment

• 1974-1983 Plymouth PB300
• 1974-1983 Plymouth PB350
• Note: Slight grinding of lower control arm is required for installation.

What’s Included

• Includes 4 Shocks (Full Set)
• Protective Red Dust Boots
• Required Bushings and Hardware

Why Choose This Product?

• Engineering Advantage: Rancho’s patented Progressive Engagement Valving specifically addresses initial impacts to reduce harshness without sacrificing control.
• Performance Benefit: Improved stability and reduced body roll, making vintage Plymouth vans feel more planted and predictable on modern highways.

Related Products

RS5000X (Rear):
Rancho RS5000X 0" Rear Lift Shocks for 1974-1983 Plymouth PB300, PB350

RS5000X (Front):
Rancho RS5000X 0" Front Lift Shocks for 1974-1983 Plymouth PB300, PB350

RS90000XL (Rear):
Rancho RS90000XL 0" Rear Lift Shocks for 1974-1983 Plymouth PB300, PB350

Frequently Asked Questions

Is any modification required for these shocks?
Yes, for this specific Plymouth application, slight grinding of the lower control arm is required to ensure proper clearance.

Will these shocks lift my Plymouth PB300?
No, these shocks are configured for 0″ of lift (stock height) and do not provide any lift to the vehicle’s suspension.

How many shocks are included in this package?
This SKU is a complete set and includes 4 shocks to cover both the front and rear of your vehicle.