{"product_id":"fox-985-24-189-performance-2-0-front-shock-silverado-sierra-2500-3500-hd","title":"FOX Performance Series 2.0 IFP Front Shock — Chevrolet Silverado \u0026 GMC Sierra 2500\/3500 SKU: 985-24-189HD","description":"\u003ch4 dir=\"ltr\"\u003eOverview\u003c\/h4\u003e\n\u003cp dir=\"ltr\"\u003eThis is a FOX Performance Series 2.0 IFP smooth-body front shock for the 2011–2019 Chevrolet Silverado 2500 HD\/3500 HD and GMC Sierra 2500 HD\/3500 HD — a monotube design using an Internal Floating Piston (IFP) to separate shock oil from a nitrogen-charged gas chamber, race-developed valving, and a one-piece 2.0\" clear-anodized aluminum body, rated for a 1.5\"–3.5\" 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 fits the 2011–2019 Chevrolet Silverado 2500 HD\/3500 HD and GMC Sierra 2500 HD\/3500 HD, rated for a 1.5\"–3.5\" front lift range. Confirm your target lift height falls within this range before ordering.\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\u003cdiv dir=\"ltr\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eMake\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eModel\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eYears\u003c\/th\u003e\n\u003cth scope=\"col\"\u003ePosition\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\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSilverado 2500 HD\u003c\/td\u003e\n\u003ctd\u003e2011–2019\u003c\/td\u003e\n\u003ctd\u003eFront\u003c\/td\u003e\n\u003ctd\u003e1.5\"–3.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSilverado 3500 HD\u003c\/td\u003e\n\u003ctd\u003e2011–2019\u003c\/td\u003e\n\u003ctd\u003eFront\u003c\/td\u003e\n\u003ctd\u003e1.5\"–3.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 2500 HD\u003c\/td\u003e\n\u003ctd\u003e2011–2019\u003c\/td\u003e\n\u003ctd\u003eFront\u003c\/td\u003e\n\u003ctd\u003e1.5\"–3.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 3500 HD\u003c\/td\u003e\n\u003ctd\u003e2011–2019\u003c\/td\u003e\n\u003ctd\u003eFront\u003c\/td\u003e\n\u003ctd\u003e1.5\"–3.5\"\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 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\u003e985-24-189\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\u003e2.0 IFP (Internal Floating Piston), monotube, nitrogen-charged gas chamber\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\u003e6.61\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExtended length\u003c\/td\u003e\n\u003ctd\u003e20.39\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompressed length\u003c\/td\u003e\n\u003ctd\u003e13.78\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003e2.0\", impact-extruded and CNC-machined 6061-T6 aluminum, one-piece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody plating\u003c\/td\u003e\n\u003ctd\u003eClear-anodized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComponents\u003c\/td\u003e\n\u003ctd\u003eBlack-anodized, CNC-machined 6061-T6 billet aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShaft\u003c\/td\u003e\n\u003ctd\u003e5\/8\" hard chrome plated, heat-treated alloy steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePiston\u003c\/td\u003e\n\u003ctd\u003eRace-developed high-flow piston design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValving\u003c\/td\u003e\n\u003ctd\u003eApplication-specific\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeals\u003c\/td\u003e\n\u003ctd\u003eRedundant sealing pack — main seal, wiper seal, scraper seal\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\u003eC1\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 Performance Series 2.0 IFP front shock, part number 985-24-189\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\"–3.5\" front lift. Confirm your target ride height falls within this range before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount types:\u003c\/strong\u003e Uses a bar pin top mount and a C1 bottom mount — confirm these match your vehicle's mounting hardware, as they differ from the eyelet-style mounts used on other FOX Performance Series shocks in this catalog.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoverage is uniform across all four model lines:\u003c\/strong\u003e 2011–2019, all drivetrains, all fuel types, all body\/door configurations, for both the Chevrolet Silverado 2500 HD\/3500 HD and GMC Sierra 2500 HD\/3500 HD — no model-year gaps or trim-specific exceptions within this range.\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 985-24-189 Performance Series 2.0 IFP shock is a front-position shock for the 2011–2019 Chevrolet Silverado 2500 HD\/3500 HD and GMC Sierra 2500 HD\/3500 HD, rated for a 1.5\"–3.5\" front lift. Fitment is uniform across all four model lines and the full model-year range — the main things to confirm before ordering are your target lift height and that your mounting hardware matches the bar pin\/C1 mount configuration.\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 2011–2019 Chevrolet Silverado 2500 HD\/3500 HD or GMC Sierra 2500 HD\/3500 HD.\u003c\/li\u003e\n\u003cli\u003eYour target front lift falls within the 1.5\"–3.5\" range.\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.\u003c\/li\u003e\n\u003cli\u003eYour target lift height falls outside the 1.5\"–3.5\" range.\u003c\/li\u003e\n\u003cli\u003eYour vehicle's mounting hardware does not match the bar pin (top) \/ C1 (bottom) mount configuration.\u003c\/li\u003e\n\u003c\/ul\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.\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 Chevrolet Silverado 2500 HD\/3500 HD and GMC Sierra 2500 HD\/3500 HD, 2011–2019, uniformly.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhat lift height is this shock rated for?\u003c\/strong\u003e\u003cbr\u003e1.5\" to 3.5\" of 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 C1 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":51430750486849,"sku":"985-24-189","price":229.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0974\/1284\/1793\/files\/AX189_6bfb6938-a943-43f5-a295-110eb0df4e02.png?v=1772305998","url":"https:\/\/obsidianforgedautosupply.com\/products\/fox-985-24-189-performance-2-0-front-shock-silverado-sierra-2500-3500-hd","provider":"Obsidian Forged Auto Supply","version":"1.0","type":"link"}