Rancho RS90000XL 0″ Rear Lift Shocks for 1974-1986 Jeep J10, J20 4WD

Description
Rancho RS90000XL 0″ Rear Lift Shocks for 1974-1986 Jeep J10, J20 4WD

Rancho RS90000XL 0″ Rear Lift Shocks for 1974-1986 Jeep J10, J20 4WD

Part Number: RS999113

Summary: The Rancho RS9000XL series provides industry-leading versatility for classic Jeep and AM General utility vehicles. Featuring a globally recognized 9-position manual adjustment knob, these shocks allow drivers to instantly tune damping levels to suit specific cargo loads or terrain requirements. Whether you are restoring a vintage J-Series truck or maintaining a heavy-duty FJ-9, this Tier 2 adjustable solution bridges the gap between highway comfort and work-ready stability.

Features

• 9-Position Tuning: A manual adjustment knob provides nine distinct levels of damping force to ensure the perfect ride quality for towing, hauling, or daily driving.
• Large Shock Body: A heavy-duty 2.75-inch diameter reserve tube provides increased fluid capacity to ensure consistent performance and reduced fade under heavy loads.
• Nitrogen Gas Charged: High-pressure gas optimization provides immediate response to road imperfections to ensure a stable and controlled driving experience.
• Liquid Metallic Finish: A premium zinc-plated coating provides superior corrosion resistance to ensure long-term durability in harsh environments.

Technical Specifications

Fitment

• 1974-1986 Jeep J10 4WD
• 1974-1986 Jeep J20 4WD
• 1974-1986 AM General FJ-9
• Note: Designed for 4WD models at factory ride height.

What’s Included

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

Why Choose This Product?

• Engineering Advantage: Rancho’s MyRide technology allows for manual damping override, giving the user total control over the vehicle’s hydraulic valving without removing the shock.
• Performance Benefit: Eliminates the “one size fits all” compromise by allowing the driver to stiffen the rear end for heavy payloads and soften it for unloaded street cruising.

Related Products

RS5000X (Front):
Rancho RS5000X 0" Front Lift Shocks for 1974-1986 Jeep J10, J20 4WD

RS7MT (Front):
Rancho RS7MT 0" Front Lift Shocks for 1974-1986 Jeep J10, J20 4WD

RS5000X (Kit):
Rancho RS5000X 0" Lift Shocks for 1974-1986 Jeep J10, J20 4WD

RS90000XL (Kit):
Rancho RS90000XL 0" Lift Shocks for 1974-1986 Jeep J10, J20 4WD

RS7MT (Kit):
Rancho RS7MT 0" Lift Shocks for 1974-1986 Jeep J10, J20 4WD

Frequently Asked Questions

Will these shocks lift my Jeep J10?
No, these shocks are configured for 0″ of lift and are designed to replace factory-length dampers. They do not provide lift height themselves.

How do I adjust the firmness of the ride?
The RS9000XL features an external 9-position knob located at the base of the shock body. Simply turn the dial to your preferred setting—lower for soft, higher for firm.

Are these compatible with the AM General FJ-9?
Yes, according to the technical fitment data, these are specified for the AM General FJ-9 model within the 1974-1986 year range.