Rancho RS5000X Rear Shock Absorber for Select 1982-2014 Cadillac, Chevrolet, Dodge, GMC, and Isuzu (RS55124)

The Rancho RS5000X Rear Shock Absorber (RS55124) fits select 1982-2014 Cadillac, Chevrolet, GMC, Dodge, Isuzu, and Oldsmobile trucks and SUVs. This twin-tube shock utilizes Rancho’s Cross Tuned technology, featuring a unique rebound valving system and an advanced compression phase to improve handling both on-road and off.

Designed for durability under extreme conditions, the RS5000X features a 16mm nitro-carburized piston rod to resist scuffing and corrosion, paired with double-welded loops at critical stress points. The large twin-tube body is filled with all-weather fluid capable of withstanding internal temperatures from -40 to 248°F, ensuring consistent performance regardless of the environment.

• Precision Valving: Progressive Engagement Valving reduces initial impact at low speeds while the Compression Control Valve regulates fluid transfer to prevent disc flutter.
• Reduced Fade: Nitrogen gas pressurized to 150 PSI minimizes air-to-oil mixture to prevent foaming and damping performance fade.
• Built for Longevity: Features a 35mm sintered iron piston, low-friction self-lubricating seal, and a fluon-banded piston for enhanced responsiveness.
• Ride Quality: Polyurethane rebound bumpers and rubber bushings absorb harshness for a smoother ride.
• Specifications: 16mm nitro-carburized rod, 35mm sintered iron piston, 150 PSI nitrogen gas charged, and includes a polyvinyl protective boot.
• Manufacturer Part Number: RS55124