{"product_id":"fox-987-24-010-performance-2-5-hto-front-shock-silverado-sierra-2500-3500-hd","title":"FOX 2.5 Performance Series HTO Front Shock — Chevrolet Silverado \u0026 GMC Sierra 2500\/3500 HD SKU: 987-24-010","description":"\u003ch4 dir=\"ltr\"\u003eOverview\u003c\/h4\u003e\n\u003cp dir=\"ltr\"\u003eThis is a FOX 2.5 Performance Series HTO (Hydraulic Top Out) bolt-on front shock for the 2020–2026 Chevrolet Silverado 2500 HD\/3500 HD and GMC Sierra 2500 HD\/3500 HD — a 2.5\" internal floating piston (IFP) design with position-sensitive rebound damping, vehicle-specific valving, and a Type II clear-anodized aluminum body, rated for a 1.5\"–2.5\" front lift.\u003c\/p\u003e\n\u003chr\u003e\n\u003cblockquote\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eBefore ordering:\u003c\/strong\u003e This is a \u003cstrong\u003efront-position shock only\u003c\/strong\u003e — it does not include a rear shock. It covers the 2020–2026 Chevrolet Silverado 2500 HD\/3500 HD and GMC Sierra 2500 HD\/3500 HD, rated for a 1.5\"–2.5\" front lift. Coverage on the Silverado 2500 HD and Sierra 2500 HD narrows to specific trims starting in 2024 — confirm your exact trim if your truck is a 2024 or newer 2500 HD.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cblockquote\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eRequired separately:\u003c\/strong\u003e Manufacturer-specified installation hardware, tools, and a professional installation are recommended; this listing does not include installation instructions or hardware beyond the shock itself. Confirm whether a matching rear shock is needed for your build — it is not included with this SKU.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003ch4 dir=\"ltr\"\u003eVerified Fitment\u003c\/h4\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eChevrolet\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv dir=\"ltr\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eModel\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eTrim\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eYears\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eLift Height\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSilverado 2500 HD\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003e2020–2023\u003c\/td\u003e\n\u003ctd\u003e1.5\"–2.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSilverado 2500 HD\u003c\/td\u003e\n\u003ctd\u003eCustom\u003c\/td\u003e\n\u003ctd\u003e2024–2026\u003c\/td\u003e\n\u003ctd\u003e1.5\"–2.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSilverado 2500 HD\u003c\/td\u003e\n\u003ctd\u003eHigh Country\u003c\/td\u003e\n\u003ctd\u003e2024–2026\u003c\/td\u003e\n\u003ctd\u003e1.5\"–2.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSilverado 2500 HD\u003c\/td\u003e\n\u003ctd\u003eLT\u003c\/td\u003e\n\u003ctd\u003e2024–2026\u003c\/td\u003e\n\u003ctd\u003e1.5\"–2.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSilverado 2500 HD\u003c\/td\u003e\n\u003ctd\u003eLTZ\u003c\/td\u003e\n\u003ctd\u003e2024–2026\u003c\/td\u003e\n\u003ctd\u003e1.5\"–2.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSilverado 2500 HD\u003c\/td\u003e\n\u003ctd\u003eWT\u003c\/td\u003e\n\u003ctd\u003e2024–2026\u003c\/td\u003e\n\u003ctd\u003e1.5\"–2.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSilverado 3500 HD\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003e2020–2026\u003c\/td\u003e\n\u003ctd\u003e1.5\"–2.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eGMC\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv dir=\"ltr\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eModel\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eTrim\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eYears\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eLift Height\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSierra 2500 HD\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003e2020–2023\u003c\/td\u003e\n\u003ctd\u003e1.5\"–2.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSierra 2500 HD\u003c\/td\u003e\n\u003ctd\u003eAT4\u003c\/td\u003e\n\u003ctd\u003e2024–2026\u003c\/td\u003e\n\u003ctd\u003e1.5\"–2.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSierra 2500 HD\u003c\/td\u003e\n\u003ctd\u003eDenali\u003c\/td\u003e\n\u003ctd\u003e2024–2026\u003c\/td\u003e\n\u003ctd\u003e1.5\"–2.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSierra 2500 HD\u003c\/td\u003e\n\u003ctd\u003eDenali Ultimate\u003c\/td\u003e\n\u003ctd\u003e2024–2026\u003c\/td\u003e\n\u003ctd\u003e1.5\"–2.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSierra 2500 HD\u003c\/td\u003e\n\u003ctd\u003ePro\u003c\/td\u003e\n\u003ctd\u003e2024–2026\u003c\/td\u003e\n\u003ctd\u003e1.5\"–2.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSierra 2500 HD\u003c\/td\u003e\n\u003ctd\u003eSLE\u003c\/td\u003e\n\u003ctd\u003e2024–2026\u003c\/td\u003e\n\u003ctd\u003e1.5\"–2.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSierra 2500 HD\u003c\/td\u003e\n\u003ctd\u003eSLT\u003c\/td\u003e\n\u003ctd\u003e2024–2026\u003c\/td\u003e\n\u003ctd\u003e1.5\"–2.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSierra 3500 HD\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003e2020–2026\u003c\/td\u003e\n\u003ctd\u003e1.5\"–2.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp dir=\"ltr\"\u003eAll listed applications are Front position, All drivetrain, All fuel type, All body\/door configurations.\u003c\/p\u003e\n\u003ch4 dir=\"ltr\"\u003eComponent Specifications\u003c\/h4\u003e\n\u003cdiv dir=\"ltr\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eAttribute\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eFOX Factory\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart number\u003c\/td\u003e\n\u003ctd\u003e987-24-010\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003ePerformance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDesign\u003c\/td\u003e\n\u003ctd\u003e2.5 Performance Series HTO (Hydraulic Top Out), internal floating piston (IFP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePosition\u003c\/td\u003e\n\u003ctd\u003eFront\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTravel\u003c\/td\u003e\n\u003ctd\u003e5.18\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExtended length\u003c\/td\u003e\n\u003ctd\u003e18.95\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompressed length\u003c\/td\u003e\n\u003ctd\u003e13.76\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003e2.5\", impact-extruded 6061-T6 aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody plating\u003c\/td\u003e\n\u003ctd\u003eType II clear-anodized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDamping\u003c\/td\u003e\n\u003ctd\u003eHigh-flow, velocity-sensitive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShaft\u003c\/td\u003e\n\u003ctd\u003e5\/8\" hard chrome\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRebound control\u003c\/td\u003e\n\u003ctd\u003eHydraulic Top Out (HTO) piston — position-sensitive rebound damping, secondary shim stack to slow shaft speed near top-out\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop mount\u003c\/td\u003e\n\u003ctd\u003eBar pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom mount\u003c\/td\u003e\n\u003ctd\u003eClevis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eFOX Limited Lifetime Warranty on 2.0\/2.5 Performance Series (for units purchased after 3\/30\/2025); see full terms below\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch4 dir=\"ltr\"\u003eWhat Is and Is NOT Included\u003c\/h4\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIncluded:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eOne FOX 2.5 Performance Series HTO front shock, part number 987-24-010\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eNot included:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eRear shock (not part of this SKU; confirm separately if needed for your build)\u003c\/li\u003e\n\u003cli\u003eInstallation hardware and tools\u003c\/li\u003e\n\u003cli\u003eProfessional installation or alignment services\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 dir=\"ltr\"\u003eCritical Compatibility\u003c\/h4\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront position only:\u003c\/strong\u003e This SKU is a front shock. It does not include or substitute for a rear shock.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLift height:\u003c\/strong\u003e Rated for a 1.5\"–2.5\" front lift across all verified applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt-on installation:\u003c\/strong\u003e Described by the manufacturer as a bolt-on shock; confirm this matches your intended installation approach.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrim-specific coverage from 2024:\u003c\/strong\u003e The Silverado 2500 HD and Sierra 2500 HD are verified as \"All\" trims through 2023, then split into named trims (Custom, High Country, LT, LTZ, WT for Chevrolet; AT4, Denali, Denali Ultimate, Pro, SLE, SLT for GMC) starting in 2024. The Silverado 3500 HD and Sierra 3500 HD remain \"All\" trim across the full range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount types:\u003c\/strong\u003e Uses a bar pin top mount and a clevis bottom mount — confirm these match your vehicle's mounting hardware, as they differ from the eyelet-style mounts used on this SKU's matching rear shock (987-24-009) in this catalog.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHTO benefit:\u003c\/strong\u003e Hydraulic Top Out technology is described as particularly beneficial after installing heavier, more aggressive tires, or on applications lifted higher than OEM specification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-make coverage:\u003c\/strong\u003e Verified across Chevrolet and GMC HD applications. Confirm your specific make\/model\/year\/trim combination against the table.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 dir=\"ltr\"\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp dir=\"ltr\"\u003eNo manufacturer installation instructions were supplied for this task. Professional installation is recommended for suspension components. Follow current FOX installation documentation for this exact part number, including torque specifications and any required hardware, before installation.\u003c\/p\u003e\n\u003ch4 dir=\"ltr\"\u003eThe Obsidian Take\u003c\/h4\u003e\n\u003cp dir=\"ltr\"\u003eThis FOX 987-24-010 2.5 Performance Series HTO front shock covers the 2020–2026 Chevrolet Silverado 2500 HD\/3500 HD and GMC Sierra 2500 HD\/3500 HD, uniformly rated for a 1.5\"–2.5\" front lift. The Hydraulic Top Out piston adds position-sensitive rebound control that's particularly useful for heavier tires or lifted applications. Coverage is straightforward across most of the range, but 2024-and-newer 2500 HD trucks are split by named trim rather than covered as \"All\" — confirm your exact trim if you're on a current-generation 2500 HD, and confirm the bar pin\/clevis mount matches your vehicle's hardware.\u003c\/p\u003e\n\u003ch4 dir=\"ltr\"\u003eThis Product Is For You If\u003c\/h4\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eYou own a 2020–2026 Chevrolet Silverado 2500 HD\/3500 HD or GMC Sierra 2500 HD\/3500 HD whose exact trim (if 2024+) appears in the Verified Fitment table.\u003c\/li\u003e\n\u003cli\u003eYour target front lift is within the 1.5\"–2.5\" range.\u003c\/li\u003e\n\u003cli\u003eYou are running heavier or more aggressive tires, or a lift near or above OEM specification, and want the HTO rebound benefit.\u003c\/li\u003e\n\u003cli\u003eYou are replacing or upgrading the front shock specifically, not the rear.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 dir=\"ltr\"\u003eThis Product Is Not For You If\u003c\/h4\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eYou need a rear shock — this SKU is front position only. See FOX 987-24-009 for the matching rear shock.\u003c\/li\u003e\n\u003cli\u003eYour target front lift falls outside the 1.5\"–2.5\" range.\u003c\/li\u003e\n\u003cli\u003eYou own a 2024+ Silverado or Sierra 2500 HD and have not confirmed your exact trim against the table.\u003c\/li\u003e\n\u003cli\u003eYour vehicle's mounting hardware does not match the bar pin (top) \/ clevis (bottom) mount configuration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 dir=\"ltr\"\u003eProduct Family Reference\u003c\/h4\u003e\n\u003cp dir=\"ltr\"\u003eFor the matching rear-position 2.5 Performance Series HTO shock covering this same Chevrolet Silverado\/GMC Sierra 2500 HD\/3500 HD range, see FOX 987-24-009.\u003c\/p\u003e\n\u003ch4 dir=\"ltr\"\u003eCommon Questions\u003c\/h4\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eIs this a front or rear shock?\u003c\/strong\u003e\u003cbr\u003eFront only. It does not include or substitute for a rear shock. See FOX 987-24-009 for the matching rear shock.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhat does HTO mean and why does it matter?\u003c\/strong\u003e\u003cbr\u003eHydraulic Top Out. It provides position-sensitive rebound damping that reduces harsh top-outs and improves comfort, particularly after installing heavier, more aggressive tires or on lifted applications.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eDoes this fit both Chevrolet and GMC trucks?\u003c\/strong\u003e\u003cbr\u003eYes — verified for the Silverado 2500 HD\/3500 HD and Sierra 2500 HD\/3500 HD across the listed years and trims.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhat lift height is this shock rated for?\u003c\/strong\u003e\u003cbr\u003e1.5\" to 2.5\" front lift.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhat mounts does this shock use?\u003c\/strong\u003e\u003cbr\u003eA bar pin top mount and a clevis bottom mount.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhat is the warranty?\u003c\/strong\u003e\u003cbr\u003eFOX provides a Limited Lifetime Warranty on 2.0\/2.5 Performance Series shocks purchased after 3\/30\/2025 (excluding sports car shocks and 2.0 Performance Series remote-reservoir shocks). See full warranty terms below.\u003c\/p\u003e\n\u003ch4 dir=\"ltr\"\u003eManufacturer Data Disclaimer\u003c\/h4\u003e\n\u003cp dir=\"ltr\"\u003eFitment and specification data for this product are sourced from FOX Factory manufacturer fitment data and product documentation supplied for this exact part number, current as of publication. Specifications and fitment are subject to change without notice; confirm current documentation for this SKU at the time of purchase.\u003c\/p\u003e\n\u003ch4 dir=\"ltr\"\u003eRequired Legal, Warning, Fitment, and Return Notices\u003c\/h4\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWarranty Summary:\u003c\/strong\u003e FOX Factory, Inc. warrants, to the original retail owner of each new FOX 2.0\/2.5 Performance Series suspension product purchased after 3\/30\/2025 (excluding sports car shocks and 2.0 Performance Series remote-reservoir shocks), that the product is free from defects in materials and workmanship under normal use on the vehicle application it was designed for. This warranty covers factory defects in material and workmanship other than finish and coatings. For products not meeting the post-3\/30\/2025 purchase condition, FOX's standard Limited One (1) Year Warranty on suspension products applies instead, running from the date of original retail purchase from an authorized FOX dealer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThis warranty is conditioned on normal operation and proper maintenance as specified by FOX; is non-transferable and applies only to the original retail owner; and is void if the product is subjected to abuse, neglect, unauthorized repair or service, alteration, modification, accident, or other abnormal or improper use. FOX is not liable for removal, installation, or reinstallation costs, including labor. If FOX determines a product is covered, it will be repaired or replaced with a comparable model at FOX's sole discretion — this is the exclusive remedy, and incidental, consequential, or punitive damages are excluded. Normal wear and tear, and failures from abuse, improper assembly, neglect, alteration, improper maintenance, crash, misuse, or collision are not covered. This warranty gives specific legal rights, which may vary by state or country.\u003c\/p\u003e","brand":"Axiom Supply","offers":[{"title":"Default Title","offer_id":51430750028097,"sku":"987-24-010","price":346.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0974\/1284\/1793\/files\/AX4010.png?v=1772305988","url":"https:\/\/obsidianforgedautosupply.com\/products\/fox-987-24-010-performance-2-5-hto-front-shock-silverado-sierra-2500-3500-hd","provider":"Obsidian Forged Auto Supply","version":"1.0","type":"link"}