Rancho RS5000X Front Shock Absorber for 1999-2019 Chevrolet/GMC & Hummer H2 (RS55370)

Fits select 1999-2019 Chevrolet Silverado/Suburban 2500/3500, GMC Sierra/Yukon XL 2500/3500, Avalanche 2500, and Hummer H2.

The Rancho RS5000X series (part number RS55370) features Cross Tuned technology to deliver a precise balance of off-road control and on-road comfort. This twin-tube shock utilizes a unique valving system that transitions through different compression phases, utilizing Progressive Engagement Valving to reduce initial impact harshness at low speeds while maintaining firm control during high-speed maneuvers or when navigating rough terrain.

• Internal Construction: Nitrogen gas pressurized to 150 PSI to minimize aeration, foaming, and damping performance fade during heavy use.
• Durability Features: 16mm nitro-carburized piston rod for superior corrosion resistance and a 35mm sintered iron piston for structural integrity.
• Temperature Stability: All-weather fluid allows for consistent operation in extreme temperatures ranging from -40 to 248°F.
• Ride Comfort: Includes a polyurethane rebound bumper and rubber bushings to isolate road noise and vibrations.
• Protection: Equipped with a polyvinyl protective boot to shield the rod and oil seal from debris.
• Warranty: Covered by Rancho’s Limited Lifetime Warranty.