{"product_id":"axiom-supply-leveling-kit-stage-1-gm-hd-truck-2500-3500-silverado-sierra-2011-2019","title":"Axiom Supply Stage 1 Leveling Kit | 2011-2019 GM 2500HD\/3500HD | Silverado Sierra","description":"\u003ch2\u003eAxiom Stage 1 Leveling Kit | 2011–2019 Chevy Silverado \/ GMC Sierra 2500HD \u0026amp; 3500HD | K2XX Platform\u003c\/h2\u003e\n\u003cp\u003eThe Axiom Stage 1 Leveling Kit (SKU: AXGM11STAGE1) is a complete front leveling kit engineered for 2011–2019 Chevrolet Silverado 2500HD\/3500HD and GMC Sierra 2500HD\/3500HD trucks (K2XX coil spring platform). The factory GM HD front end sits lower than the rear by design — this kit raises the front to eliminate factory rake, creating a level stance and improving clearance for larger tires. Engineered specifically for the K2XX coil spring front suspension geometry. Corrosion-resistant components. Sold as a complete Stage 1 front leveling kit. Front-end alignment is required after installation.\u003c\/p\u003e\n\n\u003ch2\u003eVerified Fitment (OFAS Standard)\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChevy Silverado 2500HD (Front):\u003c\/strong\u003e 2011–2019 (K2XX coil spring)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChevy Silverado 3500HD (Front):\u003c\/strong\u003e 2011–2019 (K2XX coil spring)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGMC Sierra 2500HD (Front):\u003c\/strong\u003e 2011–2019 (K2XX coil spring)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGMC Sierra 3500HD (Front):\u003c\/strong\u003e 2011–2019 (K2XX coil spring)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDoes NOT fit:\u003c\/strong\u003e 2020 or newer Silverado\/Sierra 2500HD\/3500HD (T1XX platform — use AXGM20STAGE1 instead). Does not fit 2010 or earlier GM HD trucks (different platform — verify separately). Does not fit Silverado\/Sierra 1500 (different front suspension — see AXGM07STAGE1 or AXGM99STAGE1). Confirm model year and platform before ordering.\u003c\/p\u003e\n\n\u003ch2\u003eGM Leveling Kit Platform Guide\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1999–2006 GM 1500 6-Lug (GMT800 torsion bar):\u003c\/strong\u003e Use AXGM99STAGE1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2007–2018 GM 1500 (GMT900\/K2XX coil spring):\u003c\/strong\u003e Use AXGM07STAGE1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2011–2019 GM 2500HD\/3500HD (K2XX coil spring):\u003c\/strong\u003e Use AXGM11STAGE1 (this listing)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2020–2026 GM 2500HD\/3500HD (T1XX coil spring):\u003c\/strong\u003e Use AXGM20STAGE1\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e AXGM11STAGE1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Stage 1 front leveling kit — complete kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlatform:\u003c\/strong\u003e K2XX coil spring front suspension\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e 2011–2019 GM 2500HD\/3500HD — eliminates factory front-to-rear rake\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 13 lbs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Daily driving, towing, hauling, light off-road\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat Stage 1 Includes\u003c\/h2\u003e\n\u003cp\u003eContact OFAS at 903-347-3875 to confirm exact kit contents for your application. Shock extensions may be required depending on lift height — confirm with OFAS before ordering to avoid a second front-end disassembly.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlignment mandatory:\u003c\/strong\u003e A full front-end alignment (caster, camber, toe) is required after installation. Do not drive the vehicle beyond a short test drive until aligned by a qualified alignment technician.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlatform confirmation required:\u003c\/strong\u003e Confirm your truck is 2011–2019 K2XX before ordering. The 2020 Silverado\/Sierra 2500HD\/3500HD is T1XX — not K2XX — and requires AXGM20STAGE1.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShock travel check:\u003c\/strong\u003e After installation, verify front shock travel at full droop. If shocks are topping out, shock extensions (AXGMSE11) may be required. Confirm with OFAS before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTire clearance verification:\u003c\/strong\u003e If upsizing tires, verify clearance at full lock and full compression after installation before finalizing wheel and tire selection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTorque specs:\u003c\/strong\u003e Torque all hardware to OEM specification for 2011–2019 GM 2500HD\/3500HD K2XX (verify in GM service manual or Axiom install sheet).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRe-torque:\u003c\/strong\u003e Re-torque all hardware after the first 500 miles following installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Warning\u003c\/h2\u003e\n\u003cp\u003eDo not install on 2020 or newer GM HD trucks (T1XX) — use AXGM20STAGE1 instead. Do not install on 2010 or earlier GM HD. Do not install on GM 1500. Alignment is mandatory — do not drive without aligning. Verify shock travel after installation — topping out shocks require AXGMSE11 extensions. Once installed, the kit is non-returnable.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHave you confirmed your truck is 2011–2019 K2XX (not 2020+ T1XX), and do you need shock extensions (AXGMSE11) — contact OFAS at 903-347-3875 to confirm complete kit contents before ordering?\u003c\/strong\u003e\u003c\/p\u003e","brand":"Axiom Supply","offers":[{"title":"Default Title","offer_id":51430746489153,"sku":"AXGM11STAGE1","price":159.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0974\/1284\/1793\/files\/AXGM11STAGE1_3308175b-a047-4f17-af92-c6267be18f68.png?v=1772305919","url":"https:\/\/obsidianforgedautosupply.com\/products\/axiom-supply-leveling-kit-stage-1-gm-hd-truck-2500-3500-silverado-sierra-2011-2019","provider":"Obsidian Forged Auto Supply","version":"1.0","type":"link"}