{"product_id":"fox-2017-ford-f250-super-duty-4-6in-lift-rear-2-5-performance-series-smooth-body-ifp-hto-shock","title":"FOX 2.5 Performance Rear Shock – 4–6 in. Lift | Ford Super Duty 4WD (2017–2026) (987-24-021)","description":"\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 987-24-021\u003c\/p\u003e\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eThe FOX 987-24-021 2.5 Performance Series rear shock is designed for the 2017–2026 Ford Super Duty. It controls suspension movement in the lift configuration listed below, helping the truck stay composed on uneven roads and off-road surfaces.\u003c\/p\u003e\u003cp\u003eHydraulic Top Out adds position-sensitive rebound control near full extension. Oil is directed through a secondary shim stack to slow the shaft as the suspension approaches top-out, reducing harsh extension events that can be more noticeable with larger tires or lifted suspension.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2.5-inch monotube IFP shock.\u003c\/li\u003e\n\u003cli\u003eValving developed for the listed vehicle application.\u003c\/li\u003e\n\u003cli\u003eHydraulic Top Out provides position-sensitive rebound control near full extension.\u003c\/li\u003e\n\u003cli\u003eShock stroke: 12.69 inches.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\u003cp\u003eThe aluminum shock body uses a clear-anodized finish for corrosion resistance and heat dissipation. An internal floating piston separates the oil and nitrogen charge.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eExtended shock length: 33.88 inches.\u003c\/li\u003e\n\u003cli\u003eCompressed shock length: 21.29 inches.\u003c\/li\u003e\n\u003cli\u003eShock stroke: 12.69 inches.\u003c\/li\u003e\n\u003cli\u003eUpper mount: Eyelet.\u003c\/li\u003e\n\u003cli\u003eLower mount: Eyelet.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eInstall in the rear shock locations using the mount types listed below. This shock does not raise vehicle ride height; the existing springs and lift components determine the stance.\u003c\/li\u003e\n\u003cli\u003eFOX application notes: Lift: 4-6 inches.\u003c\/li\u003e\n\u003cli\u003eUse the rear lift height when selecting a rear shock; a lift kit’s advertised front height may differ from its rear height.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cp\u003eOne rear shock.\u003c\/p\u003e\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eVehicle\u003c\/th\u003e\n\u003cth\u003eDrivetrain\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2017–2026\u003c\/td\u003e\n\u003ctd\u003eFord F-250 Super Duty\u003c\/td\u003e\n\u003ctd\u003e4WD\u003c\/td\u003e\n\u003ctd\u003e4\"-6\" lift\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2025–2025\u003c\/td\u003e\n\u003ctd\u003eFord F-250 Super Duty\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003e4\"-6\" lift\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2017–2026\u003c\/td\u003e\n\u003ctd\u003eFord F-350 Super Duty\u003c\/td\u003e\n\u003ctd\u003e4WD\u003c\/td\u003e\n\u003ctd\u003e4\"-6\" lift\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2018–2026\u003c\/td\u003e\n\u003ctd\u003eFord F-350 Super Duty\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003e4\"-6\" lift\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"FOX","offers":[{"title":"Default Title","offer_id":49689918963950,"sku":"987-24-021","price":346.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1996\/5678\/files\/987-24-021-manufacturer-1.png?v=1791335000","url":"https:\/\/www.ironridgeoffroad.com\/products\/fox-2017-ford-f250-super-duty-4-6in-lift-rear-2-5-performance-series-smooth-body-ifp-hto-shock","provider":"Iron Ridge Offroad","version":"1.0","type":"link"}