2005-2025 Superduty 4WD Rear 2.5" Piggy Hose Reservoir Shock Pair (KIN25001-171)

Engineered by King Shocks for Ford Super Duty 4WD trucks, this rear shock pair delivers precision-tuned damping validated through rigorous field testing. The piggyback hose reservoir design improves heat dissipation for consistent performance in demanding conditions. Designed to integrate with stock or lifted suspensions, installation is straightforward without extensive modifications. Built to enhance both ride comfort and handling on and off-road.

Features

• Updated design with 2.5" finned reservoirs to increase fluid capacity and heat dissipation
• 100% bolt-on performance
• Increased wheel travel
• Large 2.5" shock bodies increase fluid capacity for smoother, cooler running shocks
• Factory tuned for optimal ride quality
• Extensive dynamometer lab testing and real world testing to develop optimal damping curves for your Ford F250 and F350
• Built from the same quality materials and precise tolerances as King Pure Race series shocks
• Fully rebuildable, serviceable and tunable
• External finned reservoirs dramatically increase fluid capacity, heat dissipation and provide sustained damping performance even under the most punishing conditions.
• All new threaded end cap design with new Schrader valve protective cap.
• Made from extruded 6061-T6 aluminum.
• New improved reservoir mounts.

Specs

• Compressed Length: 18.721 in
• Extended Length: 29.347 in
• Stroke: 10.626 in
• Gas Pressure: 200 PSI
• Drivetrain: 4WD