{"product_id":"fox-performance-series-rear-shock-for-2017-ford-f-250-f-350-super-duty-4-6-inch-lift-part-987-24-021","title":"FOX Performance Series Rear Shock for 2017+ Ford F-250\/F-350 Super Duty 4-6 Inch Lift - Part #987-24-021","description":"FOX Performance Series shocks contain the latest in shock technology to transform the performance of your Truck or SUV. They use our race-proven damping control to provide a comfortable on-road ride and predictable off-road handling in even the toughest conditions.\nApplication specific valving to maximize performance.\nIncrease your vehicle's off-road capability by extending drop-out travel in most applications. Experience on-road comfort with performance-minded shock valving for a connected ride with less vehicle sway. Tuned specifically for your vehicle’s application._x000D__x000D_\n_x000D__x000D_\nConsistent and fade-resistant performance due to high-quality materials: aluminum bodies, race-developed main piston, and a true internal floating piston (IFP) to separate gas and oil._x000D__x000D_\n_x000D__x000D_\nBuilt-to-last, torture-tested and race-proven to give a lifetime of great rides. FOX products are built from aluminum, dissipating heat four times better than conventional materials. All FOX shocks are fully serviceable and resistant to corrosion and harsh environments.\n\u003cul\u003e\n  \u003cli\u003e2.5 in. Impact Extruded 6061-T6 Aluminum Shock Body\u003c\/li\u003e\n  \u003cli\u003e2.5” Impact extruded 6061-T6 aluminum shock body\u003c\/li\u003e\n  \u003cli\u003eHigh-flow velocity-sensitive damping\u003c\/li\u003e\n  \u003cli\u003eType II clear-anodized body plating\u003c\/li\u003e\n  \u003cli\u003eFully rebuildable and re-tunable\u003c\/li\u003e\n  \u003cli\u003eInternal floating piston (IFP)\u003c\/li\u003e\n  \u003cli\u003eHydraulic Top Out (HTO) piston\u003c\/li\u003e\n  \u003cli\u003eInternal Floating Piston [IFP]\u003c\/li\u003e\n  \u003cli\u003eHydraulic Top Out [HTO] Piston\u003c\/li\u003e\n  \u003cli\u003eApplication specific tune\u003c\/li\u003e\n  \u003cli\u003e5\/8 in. Hard Chrome Shaft\u003c\/li\u003e\n  \u003cli\u003e5\/8” hard chrome shaft\u003c\/li\u003e\n  \u003cli\u003eCorrosion resistant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade your 2017+ Ford F-250 or F-350 Super Duty with the FOX Performance Series rear shocks designed to enhance both on-road comfort and off-road performance. These shocks incorporate advanced damping technology, including application-specific valving and race-proven damping control, ensuring a smooth ride on highways and predictable handling in challenging off-road conditions. The shocks are specifically tuned for lifts of 4 to 6 inches, providing increased drop-out travel to boost your vehicle's off-road capability while maintaining a connected and stable ride on paved roads. Built with precision from high-quality materials, these shocks feature 2.5-inch impact-extruded 6061-T6 aluminum bodies for lightweight strength and superior heat dissipation. The inclusion of a true internal floating piston (IFP) separates gas and oil, delivering consistent, fade-resistant performance that endures harsh environments and demanding terrain. The fully rebuildable design allows for easy tuning and maintenance, extending the lifespan of your suspension components. The 5\/8-inch hard chrome shaft ensures durability and corrosion resistance, even in rugged conditions. Fully serviceable and resistant to corrosion, FOX shocks are engineered for longevity and performance, making them a reliable upgrade for your lifted truck. Whether you're tackling tough trails or cruising on highways, these shocks deliver the performance and durability that FOX is known for, ensuring your vehicle performs at its best in all conditions.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e2.5-inch impact extruded 6061-T6 aluminum shock body for lightweight strength and heat dissipation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eHigh-flow velocity-sensitive damping provides precise control and smooth ride quality\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eApplication-specific tune optimizes performance for lifted trucks with 4-6 inch lifts\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eTrue internal floating piston (IFP) separates gas and oil for consistent performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eHydraulic Top Out (HTO) piston enhances stroke control and durability\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eFully rebuildable and re-tunable for easy maintenance and customization\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003e5\/8-inch hard chrome shaft for enhanced durability and corrosion resistance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eType II clear-anodized body plating resists corrosion and harsh environmental conditions\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2017 Ford F-250 Super Duty King Ranch\u003cbr\u003e\n2017 Ford F-250 Super Duty Lariat\u003cbr\u003e\n2017 Ford F-250 Super Duty Platinum\u003cbr\u003e\n2017 Ford F-250 Super Duty XL\u003cbr\u003e\n2017 Ford F-250 Super Duty XLT\u003cbr\u003e\n2017 Ford F-350 Super Duty King Ranch\u003cbr\u003e\n2017 Ford F-350 Super Duty Lariat\u003cbr\u003e\n2017 Ford F-350 Super Duty Platinum\u003cbr\u003e\n2017 Ford F-350 Super Duty XL\u003cbr\u003e\n2017 Ford F-350 Super Duty XLT\u003cbr\u003e\n2018 Ford F-250 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