Rancho RS5000X Front Outer Shock Absorber - Select 1977-1996 Ford Bronco, F-150, F-250 & Isuzu (RS55179)

Fits select 1977-1996 Ford Bronco, F-150, F-250, and Isuzu Trooper.

The Rancho RS5000X series leverages Cross Tuned technology to bridge the gap between off-road control and on-road comfort. This twin-tube shock absorber features an exclusive Progressive Engagement Valving (PEV) system, specifically tuned for each vehicle to reduce initial impact harshness at low speeds while maintaining high-speed control. Designed for durability in extreme environments, the RS55179 handles internal temperatures ranging from -40 to 248°F, ensuring consistent damping performance whether you are navigating a job site or a trail.

• Robust Construction: Features a 16mm nitro-carburized piston rod for superior corrosion resistance and double-welded loops at high-stress mounting points.
• Advanced Internals: Equipped with a 35mm sintered iron piston and a fluon-banded seal to enhance responsiveness to changing road conditions.
• Gas Pressurized: Charged with nitrogen gas to 150 PSI to minimize aeration and foaming, significantly reducing shock fade during heavy cycling.
• Temperature Resilient: Large twin-tube body and all-weather fluid allow for cooler operation and reliable performance in extreme climates.
• Ride Quality: Polyurethane rebound bumpers and rubber bushings absorb vibrations, while a polyvinyl protective boot shields the rod from debris.
• Part Number: RS55179