Fits 2018-2025 Jeep Wrangler and Wrangler Unlimited models, including Rubicon, Sahara, Sport, and 4xe variants.

The Rancho RS5000X series shock absorber utilizes Cross Tuned technology and a unique Progressive Engagement Valving system to improve handling on both street and trail. By using an advanced compression phase and custom-tuned rebound valving, this shock reduces initial impacts at low speeds while maintaining control during aggressive maneuvers. The twin-tube design features a large body for increased fluid capacity, ensuring cooler operation and consistent damping performance across extreme temperatures.

• Gas-pressurized to 150 PSI to minimize aeration and foaming
• 16mm nitro-carburized piston rod for superior scuff and corrosion resistance
• 35mm sintered iron piston provides enhanced structural integrity
• Low-friction, self-lubricating seal for quicker rebound and smooth compression
• Polyurethane rebound bumper and rubber bushings to absorb ride harshness
• Includes polyvinyl protective boot to shield the rod and seal from debris
• Double-welded loops at stress areas for maximum durability
• Operating temperature range: -40 to 248°F
• Manufacturer Part Number: RS55064

Fits 2018-2025 Jeep Wrangler and 2020-2025 Jeep Gladiator models. This Rancho RS5000X (MPN RS55063) shock absorber is engineered to provide a balanced ride that handles highway stability and off-road articulation with equal precision.

Built around a large twin-tube body, the RS5000X utilizes a nitrogen gas charge pressurized to 150 PSI to minimize air-to-oil mixture, effectively reducing damping performance fade and foaming during aggressive use. The core of the shock features Rancho's Progressive Engagement Valving, which is custom-tuned to each vehicle application to absorb low-speed impacts and reduce ride harshness without sacrificing high-speed control.

• Durable Construction: Includes a 16mm nitro-carburized piston rod for superior scuff and corrosion resistance, plus double-welded loops at critical stress points.
• Advanced Internals: Features a 35mm sintered iron piston for enhanced structural integrity and a low-friction, self-lubricating seal to ensure quicker rebound.
• Thermal Stability: Filled with all-weather fluid designed to maintain consistent damping in extreme internal temperatures ranging from -40 to 248°F.
• Protection: Equipped with a fluon-banded piston for responsiveness and a polyvinyl protective boot to shield the rod from debris.
• Manufacturer Part Number: RS55063

The Rancho RS5000X Rear Shock Absorber (RS55056) provides a significant handling upgrade for select 1999-2013 Chevrolet, GMC, Dodge, Ram, and Hummer trucks and SUVs. Utilizing Rancho’s exclusive Progressive Engagement Valving (PEV), this shock is custom-tuned for each application to reduce initial impacts at low speeds while maintaining firm control during high-speed maneuvers or off-road conditions.

Built to withstand extreme environments, the RS5000X features a large twin-tube body filled with all-weather fluid capable of operating between -40 and 248°F. The nitrogen gas charge, pressurized to 150 PSI, minimizes air-to-oil foaming to reduce damping fade during heavy use. For long-term durability, the unit includes double-welded loops and a 16mm nitro-carburized piston rod to resist scuffs and corrosion.

• Progressive Engagement Valving: Minimizes ride harshness by regulating fluid transfer during initial impact.
• Heavy-Duty Construction: Features a 35mm sintered iron piston and reinforced double-welded loops at stress areas.
• Nitrogen Gas Charged: Pressurized to 150 PSI to minimize aeration and maintain consistent performance.
• All-Weather Protection: Includes a polyvinyl protective boot and fluon-banded piston for smooth operation in any climate.
• Installation: Direct-fit replacement for factory rear shocks on supported 1500 HD, 2500, and 3500 series chassis.
• Manufacturer Part Number: RS55056

Fits select 2005-2016 Ford F-250 Super Duty and 2014-2020 Ram 2500 trucks. This Rancho RS5000X gas-pressurized shock is engineered to provide superior control and ride quality for heavy-duty pickups, whether on the job site or the trail.

The RS5000X features Rancho's exclusive Cross Tuned technology and Progressive Engagement Valving, which reduces initial impacts at low speeds while maintaining firm control during aggressive maneuvers. The large 2.25-inch twin-tube body is filled with all-weather fluid and pressurized to 150 PSI with nitrogen gas to minimize aeration and shock fade. Built for longevity in harsh environments, it includes a 16mm nitro-carburized piston rod to resist corrosion and double-welded loops for maximum structural integrity.

• Nitrogen Gas Charged: Pressurized to 150 PSI to reduce damping performance fade and foaming.
• Precision Valving: Progressive Engagement Valving (PEV) and Cross Tuned technology for balanced handling on and off-road.
• Durable Construction: 16mm nitro-carburized rod and 35mm sintered iron piston for long-term reliability.
• Operating Range: Rated for internal temperatures ranging from -40 to 248°F.
• Included Protection: Comes with a polyvinyl protective boot and polyurethane rebound bumpers.
• Manufacturer Part Number: RS55048

Fits 2017-2026 Ford F-250 and F-350 Super Duty 4WD/2WD models (Select XL, XLT, Lariat, King Ranch, Platinum, and Limited submodels).

The Rancho RS5000X series shock absorber utilizes Cross Tuned technology and an exclusive Progressive Engagement Valving (PEV) system to provide a custom-tuned ride for your Ford Super Duty. Designed to handle both on-road comfort and off-road durability, this twin-tube shock minimizes air-to-oil mixture through 150 PSI nitrogen gas pressurization, significantly reducing damping fade and foaming during demanding use.

Engineered for extreme environments, the RS55047A features a 16mm nitro-carburized piston rod for superior corrosion resistance and a 35mm sintered iron piston for structural integrity. The large twin-tube body is filled with all-weather fluid, ensuring consistent performance in temperatures ranging from -40°F to 248°F. Each unit is finished with double-welded loops at high-stress points and includes a protective polyvinyl boot to shield the rod and oil seal from debris.

• MPN: RS55047A
• Piston Diameter: 35mm sintered iron
• Rod Diameter: 16mm nitro-carburized
• Gas Charge: 150 PSI Nitrogen
• Operating Range: -40°F to 248°F
• Valving: Progressive Engagement Valving (PEV) for low-speed impact reduction
• Included Hardware: Polyurethane rebound bumper, rubber bushings, and polyvinyl boot
• Warranty: Rancho Limited Lifetime Warranty

Fits select 2005-2016 Ford F-350 Super Duty and 2008-2011 Ford F-250 Super Duty (various trims including XL, XLT, Lariat, and King Ranch).

The Rancho RS5000X Series gas-pressurized shock absorber (RS55047) delivers enhanced control and a smoother ride for Super Duty owners. Engineered with Rancho’s exclusive Cross Tuned technology, this rear shock features a unique rebound valving system and an advanced compression phase that improves handling both on and off-road. Its Progressive Engagement Valving is custom-tuned to minimize initial impact harshness at low speeds while maintaining stability during heavy-duty use.

Built for durability in extreme environments, the RS55047 features a 16mm nitro-carburized piston rod to resist corrosion and double-welded loops at critical stress points. The large twin-tube body is nitrogen-charged to 150 PSI to minimize fluid aeration and fading, ensuring consistent damping performance even as internal temperatures reach up to 248°F.

• MPN: RS55047
• Design: Twin-tube gas pressurized (150 PSI)
• Piston: 35mm sintered iron with fluon-banding for responsiveness
• Piston Rod: 16mm nitro-carburized rod for scuff resistance
• Seal: Low-friction, self-lubricating seal for quicker rebound
• Bushings: Polyurethane rebound bumper and rubber bushings to absorb road harshness
• Protection: Includes polyvinyl protective boot
• Temperature Range: Rated for -40°F to 248°F operation

Fits 2005-2016 Ford F-250 and F-350 Super Duty 4WD/2WD models (King Ranch, Lariat, Platinum, XL, XLT). This RS5000X rear shock absorber is engineered to improve handling and reduce ride harshness on and off-road.

The Rancho RS5000X features a large 2.25-inch twin-tube body and Progressive Engagement Valving (PEV). This system uses custom-tuned rebound and compression phases to absorb initial impacts at low speeds while maintaining control during aggressive maneuvers. Built for durability, it utilizes a 35mm sintered iron piston for structural integrity and a 16mm nitro-carburized piston rod to resist scuffs and corrosion in harsh environments.

• Nitrogen Gas Charged: Pressurized to 150 PSI to minimize air-to-oil foaming and performance fade.
• All-Weather Performance: Filled with fluid rated for internal temperatures ranging from -40 to 248°F.
• Robust Construction: Features double-welded loops at stress points and a fluon-banded piston for a consistent seal.
• Protection Included: Comes with a polyvinyl protective boot to shield the rod and oil seal from debris.
• Manufacturer Part Number: RS55046

Fits select 1999-2016 Ford F-250 and F-350 Super Duty trucks. This Rancho RS5000X series rear shock (MPN: RS55045) is engineered to bridge the gap between street comfort and off-road control, featuring a nitrogen-charged twin-tube design for reduced damping fade and improved responsiveness.

Constructed with a 16mm nitro-carburized piston rod to resist scuffs and corrosion, this shock uses a 35mm sintered iron piston for structural integrity and double-welded loops at critical stress areas. The Cross Tuned technology uses an exclusive valving system to manage fluid transfer efficiently, while the Progressive Engagement Valving helps absorb low-speed impacts and harsh road vibrations. To ensure long-term performance, a low-friction self-lubricating seal retains gas and oil while a fluon-banded piston enhances consistency across changing conditions.

• Fitment: 1999-2016 Ford F-250/F-350 Super Duty models
• Construction: Twin-tube body with 16mm nitro-carburized piston rod and 35mm sintered iron piston
• Pressure: Nitrogen gas pressurized to 150 PSI to minimize foaming and fade
• Temperature Range: Rated for -40°F to 248°F via all-weather fluid
• Bushings & Boots: Includes polyurethane rebound bumper, rubber bushings, and polyvinyl protective boot
• Manufacturer Part Number: RS55045
• Warranty: Rancho Limited Lifetime Warranty

Fits select 1994-2025 Dodge Ram 2500/3500, Ram 2500/3500, and Ford F-250/F-350 Super Duty models.

The Rancho RS5000X Series front shock absorber (RS55044) utilizes advanced Cross Tuned technology to provide a customized ride for heavy-duty trucks. This nitrogen-gas-charged shock features an exclusive Progressive Engagement Valving system that minimizes initial impact at low speeds and reduces disc flutter at high speeds. Built with a large twin-tube body and all-weather fluid, it is designed to maintain consistent damping performance in extreme environments, ranging from -40 to 248°F.

• Precision Valving: Features exclusive rebound valving and a custom-tuned Compression Control Valve for superior handling on and off-road.
• Rugged Construction: 16mm nitro-carburized piston rod resists scuffs and corrosion while double-welded loops provide extra strength at stress points.
• Consistent Performance: Pressurized to 150 PSI with nitrogen gas to minimize oil foaming and reduce damping fade during strenuous use.
• Ride Quality: A 35mm sintered iron piston and fluon-banded seal provide responsiveness, while polyurethane bumpers and rubber bushings isolate road noise and vibration.
• Protection: Includes a polyvinyl protective boot to shield the rod and oil seal from road debris.

• Manufacturer Part Number: RS55044
• Shock Design: Twin-tube
• Piston Diameter: 35mm
• Piston Rod Diameter: 16mm
• Gas Pressure: 150 PSI
• Temperature Range: -40 to 248°F
• Finish: White paint with red boot

Fits select 2005-2025 Ford F-250 and F-350 Super Duty models (XL, XLT, Lariat, King Ranch, Platinum, and Limited).

The Rancho RS5000X shock absorber utilizes exclusive Cross Tuned technology and Progressive Engagement Valving (PEV) to deliver precision handling for heavy-duty pickups. Designed to adapt to changing road conditions, the RS5000X features a custom-tuned compression control valve that regulates fluid transfer to absorb impacts without disc flutter, significantly reducing ride harshness on and off-road.

• 16mm nitro-carburized piston rod for superior scuff and corrosion resistance
• 35mm sintered iron piston provides enhanced structural integrity and motion control
• Nitrogen gas pressurized to 150 PSI to minimize air-to-oil foaming and performance fade
• Large twin-tube body filled with all-weather fluid for operating temperatures from -40°F to 248°F
• Double-welded loops at high-stress areas for long-term durability
• Fluon-banded piston and self-lubricating seals for smoother compression and quicker rebound
• Includes protective polyvinyl boot and durable rubber bushings
• Manufacturer Part Number: RS55043

Fits select 2005-2026 Ford F-250 and F-350 Super Duty trucks.

The Rancho RS5000X RS55042 front shock absorber is engineered for drivers who demand precise handling and improved control both on and off-road. Utilizing an advanced Progressive Engagement Valving (PEV) system, this shock provides a custom-tuned response that reduces initial impact at low speeds while maintaining firm control during aggressive maneuvers. The large twin-tube body is nitrogen-gas pressurized to 150 PSI, significantly reducing aeration and shock fade while managing internal temperatures from -40°F to 248°F.

• Robust Construction: Built with a 16mm nitro-carburized piston rod for scuff resistance and a 35mm sintered iron piston for structural integrity.
• Advanced Valving: Cross Tuned technology featuring an exclusive rebound valving system and a custom-tuned Compression Control Valve for smooth fluid transfer.
• Reliable Sealing: Low-friction, self-lubricating seal retains gas and oil for quicker rebound and smoother compression.
• Ride Quality: Polyurethane rebound bumpers and rubber bushings help absorb harshness, while a fluon-banded piston enhances responsiveness to road changes.
• Protection: Includes a durable polyvinyl protective boot to shield the piston rod and seals from debris and corrosion.

Includes Rancho’s Limited Lifetime Warranty and all necessary mounting hardware for a straightforward installation.

Fits 2000-2006 Toyota Tundra (Base, Limited, and SR5).

The Rancho RS5000X series leverages advanced Cross Tuned technology to deliver a significant upgrade in handling and ride quality for both on-road and off-road use. This twin-tube shock features a unique Progressive Engagement Valving system, specifically tuned to reduce initial impact harshness at low speeds while maintaining firm control during aggressive maneuvers. Built to handle extreme conditions, the RS55040 is filled with all-weather fluid rated for temperatures from -40 to 248°F and pressurized with nitrogen gas at 150 PSI to eliminate foaming and shock fade.

• Durable Construction: Features a 16mm nitro-carburized piston rod to resist scuffs and corrosion, plus double-welded loops at high-stress points.
• Precision Control: A 35mm sintered iron piston provides enhanced structural integrity and quicker response to changing road surfaces.
• Protective Design: Includes a polyvinyl protective boot to shield the rod and oil seal from debris and grit.
• Specifications: Twin-tube body, nitrogen gas pressurized (150 PSI), 16mm rod diameter, 35mm piston diameter.
• Manufacturer Part Number: RS55040

The Rancho RS5000X Front Shock Absorber (RS55039) is engineered to provide precise handling and ride control for select 1975-1997 Ford Bronco II, E-100/E-150 Econoline, Explorer, Ranger, and Mazda B-Series pickups and SUVs. Built around a massive 2.25-inch twin-tube body, this gas-pressurized shock uses Cross Tuned technology to deliver high-performance valving that bridges the gap between on-road comfort and off-road stability.

This shock features Rancho's exclusive Progressive Engagement Valving, custom-tuned for each application to minimize initial impact at low speeds and reduce ride harshness. The internal assembly is pressurized with nitrogen gas to 150 PSI, which reduces aeration and prevents damping fade during heavy use. With a 35mm sintered iron piston and a 16mm nitro-carburized rod, the RS5000X is built to withstand extreme mechanical stress and resist corrosion in harsh environments.

• Precision Valving: Progressive Engagement Valving and Compression Control Valve regulate fluid transfer to maintain motion control without disc flutter.
• Extreme Durability: 16mm nitro-carburized piston rod and double-welded loops at high-stress points ensure long-term structural integrity.
• All-Weather Performance: Filled with specialized fluid rated for temperatures from -40 to 248°F for consistent dampening in all climates.
• Bore & Piston: 35mm sintered iron piston provides an expanded surface area for heightened motion control.
• Includes: Polyvinyl protective boot and rubber bushings to absorb ride vibration.
• Manufacturer Part Number: RS55039
• Warranty: Rancho Limited Lifetime Warranty.

Fits select 1980-2004 Ford Bronco, F-100, F-150, F-250, F-350, and Dodge Dakota and Durango models. The Rancho RS5000X (MPN: RS55029) is a performance-tuned twin-tube shock designed to handle both highway stability and off-road impacts. Built with Rancho’s exclusive Progressive Engagement Valving, these shocks feature a custom-tuned compression phase that reduces initial harshness at low speeds while maintaining control during high-energy cycles.

Constructed for durability in extreme environments, the RS55029 utilizes a large twin-tube body filled with all-weather fluid, capable of operating from -40°F to 248°F. The 16mm nitro-carburized piston rod provides superior scuff and corrosion resistance, while the 35mm sintered iron piston ensures structural integrity under heavy load. A nitrogen gas charge pressurized to 150 PSI minimizes air-to-oil foaming to prevent damping fade during sustained use.

• Precision Valving: Progressive Engagement Valving and Compression Control Valve technology for vehicle-specific ride tuning.
• Rugged Construction: 16mm nitro-carburized rod, 35mm sintered iron piston, and double-welded loops at high-stress points.
• Enhanced Sealing: Low-friction, self-lubricating seal retains gas and oil for consistent rebound and compression.
• Included Protection: Comes with a polyvinyl protective boot and durable polyurethane/rubber bushings.

• Manufacturer: Rancho
• Series: RS5000X
• Part Number: RS55029
• Gas Type: Nitrogen (150 PSI)
• Operating Temperature: -40°F to 248°F
• Rod Diameter: 16mm
• Piston Diameter: 35mm

Fits 2015-2022 Chevrolet Colorado and GMC Canyon models across all trim levels including Z71, AT4, and Denali.

The Rancho RS5000X RS55023 rear shock absorber uses a unique Progressive Engagement Valving (PEV) system to provide custom-tuned control for your mid-size truck. Designed for both on-road stability and off-road capability, this twin-tube shock features a large body filled with all-weather fluid, allowing it to maintain consistent damping performance in internal temperatures ranging from -40 to 248°F. The system is pressurized with nitrogen gas to 150 PSI to minimize aeration and foaming, significantly reducing shock fade during heavy use.

• Robust Construction: Features a 16mm nitro-carburized piston rod for superior scuff and corrosion resistance, plus double-welded loops at high-stress points.
• Advanced Valving: Cross Tuned technology utilizes a 35mm sintered iron piston and fluon-banding for immediate responsiveness to changing terrain.
• Ride Quality: Polyurethane rebound bumpers and rubber bushings absorb harsh impacts, while a custom-tuned compression control valve regulates fluid transfer without disc flutter.
• Protection: Includes a polyvinyl protective boot to shield the piston rod and oil seal from debris and moisture.
• Manufacturer Part Number: RS55023

Fits select 1961-1979 Ford F-100, F-150, and F-250 trucks. This Rancho RS5000X gas-pressurized shock absorber is engineered to provide improved handling and control for Ford F-Series pickups, whether on the job site or the trail. Featuring a large twin-tube body and exclusive Cross Tuned technology, this shock uses a unique valving system to manage fluid transfer and absorb impacts without the disc flutter common in lesser dampers.

Constructed for durability in harsh environments, the RS55014 features a 16mm nitro-carburized piston rod for superior corrosion resistance and double-welded loops at high-stress mounting points. The nitrogen gas charge is pressurized to 150 PSI to minimize aeration and foaming, ensuring consistent damping performance and reduced fade during extended use.

• Precision Valving: Progressive Engagement Valving is custom-tuned to reduce harshness at low speeds while maintaining control during high-impact events.
• Heavy-Duty Construction: 35mm sintered iron piston and 16mm nitro-carburized rod provide structural integrity.
• All-Weather Performance: Filled with specialized fluid rated for temperatures from -40°F to 248°F.
• Protection Included: Comes with a polyvinyl protective boot and rubber bushings to shield the rod and dampen road noise.
• MPN: RS55014

Fits select 1983-2004 Dodge Dakota, Dodge Durango, Ford Ranger, and Mazda B3000/B4000 models.

The Rancho RS5000X RS55010 Rear Shock utilizes a patented progressive valving system and high-pressure gas charge to deliver improved handling and control on both paved roads and rugged terrain. Engineered with a large 2.25-inch twin-tube body and 150 PSI nitrogen gas pressurization, this shock minimizes air-to-oil mixture (foaming) to prevent damping fade during intensive use. The 16mm nitro-carburized piston rod and 35mm sintered iron piston provide the structural durability required for trucks and SUVs, while the self-lubricating seal ensures a long service life.

• Precision Control: Progressive Engagement Valving and Cross Tuned technology provide custom-tuned damping that absorbs low-speed impacts while maintaining firm control at higher speeds.
• Heavy-Duty Build: Features a 16mm nitro-carburized piston rod for superior corrosion resistance and double-welded loops at critical stress points.
• Consistent Performance: Filled with all-weather fluid designed to operate within internal temperatures of -40 to 248°F.
• Smooth Operation: Fluon-banded piston and polyurethane rebound bumpers help absorb harsh road vibration and improve responsiveness.
• Protection Included: Comes standard with a polyvinyl protective boot and rubber bushings to protect the rod and seal from debris.
• MPN: RS55010

Fits select 1970-1979 Ford F-100, F-150, and F-250 pickup trucks.

The Rancho RS5000X shock absorber utilizes a unique Cross Tuned technology with an exclusive rebound valving system and advanced compression phase to improve handling both on and off-road. Engineered with Progressive Engagement Valving, these shocks are custom-tuned for each application to reduce initial impacts at low speeds and minimize ride harshness. The twin-tube body is nitrogen-gas pressurized to 150 PSI, reducing air-to-oil mixture to prevent damping fade and foaming during heavy use.

• Durable Construction: Features a 16mm nitro-carburized piston rod for superior corrosion resistance and double-welded loops at high-stress points.
• Precision Valving: 35mm sintered iron piston and application-specific piston area provide heightened control of shock motion.
• All-Weather Performance: Filled with all-weather fluid capable of withstanding internal temperatures from -40 to 248°F.
• Ride Quality: Includes a fluon-banded piston for responsiveness, plus polyurethane rebound bumpers and rubber bushings to absorb road vibrations.
• Protection: Equipped with a polyvinyl protective boot to shield the rod and oil seal from debris.
• Part Number: RS55009
• Warranty: Manufacturer's Limited Lifetime Warranty

Fits 1969-1993 Dodge W100, W150, W200, W250, W300, W350, and Ramcharger, plus 1976-1981 Plymouth Trailduster.

The Rancho RS5000X Series shock absorber is engineered to provide a significant upgrade over factory damping for classic 4WD Dodge and Plymouth trucks. Utilizing exclusive Cross Tuned technology and a progressive engagement valving system, these shocks adapt to varying road conditions to minimize harshness at low speeds while maintaining firm control during high-speed compression. The 150 PSI nitrogen gas charge works in tandem with all-weather fluid to reduce aeration and shock fade, ensuring consistent performance even in temperatures ranging from -40 to 248°F.

• Rugged Construction: Features a 16mm nitro-carburized piston rod to resist corrosion and double-welded loops at critical stress points for long-term durability.
• Enhanced Control: A 35mm sintered iron piston and fluon-banded seal provide a consistent surface for smoother travel and quicker rebound.
• Impact Absorption: Includes a polyurethane rebound bumper and rubber bushings to isolate road noise and dampen chassis vibration.
• Protective Design: Equipped with a polyvinyl protective boot to shield the piston rod and oil seal from debris and moisture.

• Manufacturer Part Number: RS55005
• Internal Design: Twin-tube, nitrogen gas pressurized (150 PSI)
• Piston Diameter: 35mm
• Piston Rod Diameter: 16mm
• Operating Temperature: -40°F to 248°F

Fits select 1968-2000 Chevrolet Blazer, K10, K20, K30, K1500, K2500, K3500, Tahoe, and GMC Jimmy, K15, K25, K35, K1500, K2500, K3500.

The Rancho RS5000X (RS55001) front shock absorber utilizes a unique Progressive Engagement Valving system and cross-tuned technology to deliver a custom-tuned ride on and off-road. Designed for trucks and SUVs, this gas-pressurized twin-tube shock features a large body for increased fluid capacity, allowing it to maintain cooler operation and consistent control under extreme internal temperatures ranging from -40 to 248°F.

• Progressive Engagement Valving: Specifically tuned to reduce initial impacts at low speeds and minimize ride harshness across varying road conditions.
• Durable Construction: Features a 16mm nitro-carburized piston rod to resist scuffs and corrosion, along with double-welded loops at stress points for enhanced structural integrity.
• Consistent Performance: Nitrogen gas pressurized to 150 PSI minimizes the air-to-oil mixture to reduce damping fade and foaming during aggressive use.
• Smooth Operation: Equipped with a 35mm sintered iron piston and a fluon-banded seal to provide quicker rebound and smoother compression.
• Protective Design: Includes a polyvinyl protective boot to shield the rod and a low-friction, self-lubricating seal to retain gas and oil.
• Manufacturer Part Number: RS55001

Fits 2008-2010 Ford F-250 and F-350 Super Duty (XL, XLT, Lariat, King Ranch, FX4, Cabela's, and Harley-Davidson Edition).

The Rancho RS5000 Front Steering Stabilizer (RS5421) is engineered to improve handling and reduce driver fatigue by dampening the steering feedback that causes wheel shimmy, bump steer, and vibration. Whether you are towing heavy loads, navigating off-road trails, or cruising the highway with oversized wheels and tires, this stabilizer helps maintain precise control over your truck's front end.

• Extreme Temperature Resilience: Features a twin-tube cellular gas design filled with all-weather fluid, allowing for reliable operation in internal temperatures ranging from -40°F to 248°F (-40°C to 120°C).
• Off-Road Protection: Includes a durable protective boot to safeguard the shock rod and oil seal from dirt, debris, and corrosion.
• Enhanced Control: Specifically engineered for heavy-duty applications and vehicles with oversized tires to minimize front-end vibration.
• Specifications: Twin-tube cellular gas-charged design; part number RS5421.

Fits select 2018-2025 Jeep Wrangler (JL) and Gladiator (JT) models. This Rancho RS5000 steering stabilizer is engineered to improve handling and reduce driver fatigue by minimizing wheel shimmy, bump steer, and vibration. Whether you are navigating technical trails or towing on the highway, it provides the additional damping required to maintain control, especially on vehicles equipped with oversized wheels and tires.

• Twin-Tube Design: Cellular gas design filled with all-weather fluid ensures consistent performance in extreme conditions.
• Operating Range: Built to withstand internal temperatures ranging from -40 to 248°F.
• Protective Boot: Includes a durable boot to safeguard the shock rod and oil seal from dirt, debris, and corrosion.
• Durability: Designed for cooler operation and increased vehicle control under heavy load or off-road stress.
• Warranty: Backed by Rancho’s Limited Lifetime Warranty.
• Part Number: RS5420

Fits select 2010-2018 Jeep Wrangler and Wrangler JK models, including Rubicon, Sahara, Sport, and Unlimited trims.

The Rancho RS5000 steering stabilizer is a twin-tube cellular gas shock designed to enhance vehicle control by reducing wheel shimmy, bump steer, and vibration. Engineered specifically for vehicles equipped with oversized wheels and tires, this stabilizer helps minimize driver fatigue during off-road use, towing, and daily street driving.

This unit is built to handle extreme thermal fluctuations using all-weather fluid that maintains consistent performance from -40°F to 248°F. The design includes a protective boot to safeguard the shock rod and oil seal against dirt, rocks, and trail debris, ensuring long-term durability in harsh environments.

• Manufacturer Part Number: RS5418
• Series: RS5000
• Design: Twin-tube cellular gas
• Operating Temperature: -40°F to 248°F (-40°C to 120°C)
• Inclusions: Protective boot for rod and seal protection
• Primary Function: Reduces shimmy and vibration on 4WD applications