{"product_id":"cognito-2020-gmc-chevrolet-2500-3500-3-elite-leveling-kit-w-king-2-5-copy","title":"COGNITO 2024+ GMC\/CHEVROLET 2500HD 2.5\" LIFT KIT - AT4X\/ZR2","description":"\u003cp data-end=\"334\" data-start=\"78\"\u003eThe \u003cstrong data-end=\"105\" data-start=\"82\"\u003e2500HD AT4X and ZR2\u003c\/strong\u003e models were first introduced by \u003cstrong data-end=\"179\" data-start=\"138\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eGeneral Motors\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e in \u003cstrong data-end=\"191\" data-start=\"183\"\u003e2024\u003c\/strong\u003e, with GM advertising a \u003cstrong data-end=\"251\" data-start=\"215\"\u003e1.5-inch factory suspension lift\u003c\/strong\u003e. However, direct comparison to standard 2500HD models tells a more detailed story.\u003c\/p\u003e\n\u003cp data-end=\"627\" data-start=\"377\"\u003eOur measurements show the \u003cstrong data-end=\"448\" data-start=\"403\"\u003erear lift claim is accurate at 1.5 inches\u003c\/strong\u003e, but the \u003cstrong data-end=\"523\" data-start=\"458\"\u003efront ride height increase is actually closer to 2.5–3 inches\u003c\/strong\u003e over standard models. Rather than a true front lift, the AT4X\/ZR2 configuration is better described as:\u003c\/p\u003e\n\u003cul data-end=\"719\" data-start=\"628\"\u003e\n\u003cli data-end=\"672\" data-start=\"628\"\u003e\n\u003cp data-end=\"672\" data-start=\"630\"\u003eA \u003cstrong data-end=\"672\" data-start=\"632\"\u003efront leveling-style height increase\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"719\" data-start=\"673\"\u003e\n\u003cp data-end=\"719\" data-start=\"675\"\u003eCombined with a \u003cstrong data-end=\"719\" data-start=\"691\"\u003e1.5-inch rear lift block\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"904\" data-start=\"721\"\u003eThis distinction matters because the front height increase is \u003cstrong data-end=\"847\" data-start=\"783\"\u003enot achieved with a subframe drop or taller steering knuckle\u003c\/strong\u003e, which are typical components of a true suspension lift.\u003c\/p\u003e\n\u003cp data-end=\"1026\" data-start=\"953\"\u003eThe increased front height comes from a combination of component changes:\u003c\/p\u003e\n\u003cul data-end=\"1408\" data-start=\"1027\"\u003e\n\u003cli data-end=\"1131\" data-start=\"1027\"\u003e\n\u003cp data-end=\"1131\" data-start=\"1029\"\u003e\u003cstrong data-end=\"1086\" data-start=\"1029\"\u003eLower control arm with different torsion bar clocking\u003c\/strong\u003e, increasing lower arm angle at ride height\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1161\" data-start=\"1132\"\u003e\n\u003cp data-end=\"1161\" data-start=\"1134\"\u003e\u003cstrong data-end=\"1161\" data-start=\"1134\"\u003eRepositioned bump stops\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1241\" data-start=\"1162\"\u003e\n\u003cp data-end=\"1241\" data-start=\"1164\"\u003e\u003cstrong data-end=\"1216\" data-start=\"1164\"\u003eLower control arm length increased by 0.2 inches\u003c\/strong\u003e to restore track width\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1296\" data-start=\"1242\"\u003e\n\u003cp data-end=\"1296\" data-start=\"1244\"\u003e\u003cstrong data-end=\"1296\" data-start=\"1244\"\u003eUpper control arm length increased by 0.2 inches\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1408\" data-start=\"1297\"\u003e\n\u003cp data-end=\"1408\" data-start=\"1299\"\u003e\u003cstrong data-end=\"1330\" data-start=\"1299\"\u003eModified knuckle neck shape\u003c\/strong\u003e, while maintaining the same critical suspension geometry as standard models\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1543\" data-start=\"1410\"\u003eWhile effective at increasing ride height, this approach does \u003cstrong data-end=\"1512\" data-start=\"1472\"\u003enot increase suspension droop travel\u003c\/strong\u003e—and that’s where issues arise.\u003c\/p\u003e\n\u003cp data-end=\"1804\" data-start=\"1598\"\u003eAlthough the AT4X\/ZR2 gains additional \u003cstrong data-end=\"1650\" data-start=\"1637\"\u003eup travel\u003c\/strong\u003e, it suffers from only \u003cstrong data-end=\"1711\" data-start=\"1673\"\u003e2-1\/8 inches of front droop travel\u003c\/strong\u003e in stock form. That’s \u003cstrong data-end=\"1775\" data-start=\"1734\"\u003e1 inch (approximately 35%) less droop\u003c\/strong\u003e than standard 2500HD models.\u003c\/p\u003e\n\u003cp data-end=\"1817\" data-start=\"1806\"\u003eThe result:\u003c\/p\u003e\n\u003cul data-end=\"1952\" data-start=\"1818\"\u003e\n\u003cli data-end=\"1854\" data-start=\"1818\"\u003e\n\u003cp data-end=\"1854\" data-start=\"1820\"\u003eNoticeable \u003cstrong data-end=\"1854\" data-start=\"1831\"\u003efront shock top-out\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1911\" data-start=\"1855\"\u003e\n\u003cp data-end=\"1911\" data-start=\"1857\"\u003eHarshness over dips and on the backside of speed bumps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1952\" data-start=\"1912\"\u003e\n\u003cp data-end=\"1952\" data-start=\"1914\"\u003eReduced suspension compliance off-road\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2124\" data-start=\"1954\"\u003eAdditionally, the increased ride height places \u003cstrong data-end=\"2051\" data-start=\"2001\"\u003eadditional stress on the pitman and idler arms\u003c\/strong\u003e, accelerating wear—an issue long associated with GM HD steering systems.\u003c\/p\u003e\n\u003cp data-end=\"2404\" data-start=\"2126\"\u003e\u003cstrong data-end=\"2170\" data-start=\"2129\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eCognito\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e offers a \u003cstrong data-end=\"2201\" data-start=\"2180\"\u003epatented solution\u003c\/strong\u003e to this problem with their \u003cstrong data-end=\"2270\" data-start=\"2229\"\u003ePitman \u0026amp; Idler Arm Support Kit (PISK)\u003c\/strong\u003e. While not included in the standard factory configuration, it is \u003cstrong data-end=\"2358\" data-start=\"2336\"\u003ehighly recommended\u003c\/strong\u003e to restore steering durability and precision.\u003c\/p\u003e\n\u003cp data-end=\"2605\" data-start=\"2452\"\u003eThis \u003cstrong data-end=\"2486\" data-start=\"2457\"\u003estandard lift kit package\u003c\/strong\u003e addresses the factory shortcomings by converting the AT4X\/ZR2 front suspension into a \u003cstrong data-end=\"2604\" data-start=\"2573\"\u003etrue engineered lift system\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-end=\"2640\" data-start=\"2607\"\u003e\u003cstrong data-end=\"2640\" data-start=\"2607\"\u003eFront Suspension Improvements\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"3012\" data-start=\"2641\"\u003e\n\u003cli data-end=\"2719\" data-start=\"2641\"\u003e\n\u003cp data-end=\"2719\" data-start=\"2643\"\u003eAdds a \u003cstrong data-end=\"2662\" data-start=\"2650\"\u003esubframe\u003c\/strong\u003e, \u003cstrong data-end=\"2691\" data-start=\"2664\"\u003etaller steering knuckle\u003c\/strong\u003e, and \u003cstrong data-end=\"2719\" data-start=\"2697\"\u003edifferential drops\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2777\" data-start=\"2720\"\u003e\n\u003cp data-end=\"2777\" data-start=\"2722\"\u003eProvides \u003cstrong data-end=\"2777\" data-start=\"2731\"\u003e2.5 inches of additional front ride height\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2860\" data-start=\"2778\"\u003e\n\u003cp data-end=\"2860\" data-start=\"2780\"\u003eIncreases \u003cstrong data-end=\"2824\" data-start=\"2790\"\u003efront droop travel to 3 inches\u003c\/strong\u003e, meeting Cognito’s minimum standard\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2916\" data-start=\"2861\"\u003e\n\u003cp data-end=\"2916\" data-start=\"2863\"\u003eDifferential drop maintains proper \u003cstrong data-end=\"2916\" data-start=\"2898\"\u003eCV axle angles\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"3012\" data-start=\"2917\"\u003e\n\u003cp data-end=\"3012\" data-start=\"2919\"\u003eIncludes a \u003cstrong data-end=\"2958\" data-start=\"2930\"\u003eNon-Torsion Drop Bracket\u003c\/strong\u003e to keep torsion bars properly positioned in the frame\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"3045\" data-start=\"3014\"\u003e\u003cstrong data-end=\"3045\" data-start=\"3014\"\u003eRear Suspension Adjustments\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"3220\" data-start=\"3046\"\u003e\n\u003cli data-end=\"3116\" data-start=\"3046\"\u003e\n\u003cp data-end=\"3116\" data-start=\"3048\"\u003eReplaces the factory \u003cstrong data-end=\"3092\" data-start=\"3069\"\u003e1.5-inch rear block\u003c\/strong\u003e with a \u003cstrong data-end=\"3116\" data-start=\"3100\"\u003e2-inch block\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"3159\" data-start=\"3117\"\u003e\n\u003cp data-end=\"3159\" data-start=\"3119\"\u003eNet rear lift increase of \u003cstrong data-end=\"3159\" data-start=\"3145\"\u003e0.5 inches\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"3220\" data-start=\"3160\"\u003e\n\u003cp data-end=\"3220\" data-start=\"3162\"\u003eIncludes \u003cstrong data-end=\"3189\" data-start=\"3171\"\u003elonger U-bolts\u003c\/strong\u003e for proper clamping and safety\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"3323\" data-start=\"3267\"\u003eThis package retains the \u003cstrong data-end=\"3322\" data-start=\"3292\"\u003eOEM Multimatic DSSV shocks\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul data-end=\"3488\" data-start=\"3324\"\u003e\n\u003cli data-end=\"3415\" data-start=\"3324\"\u003e\n\u003cp data-end=\"3415\" data-start=\"3326\"\u003e\u003cstrong data-end=\"3342\" data-start=\"3326\"\u003eFront shocks\u003c\/strong\u003e use a billet extended lower clevis mount to accommodate increased height\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"3488\" data-start=\"3416\"\u003e\n\u003cp data-end=\"3488\" data-start=\"3418\"\u003e\u003cstrong data-end=\"3433\" data-start=\"3418\"\u003eRear shocks\u003c\/strong\u003e remain unchanged due to the minimal rear lift increase\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"3688\" data-start=\"3490\"\u003eFor owners seeking \u003cstrong data-end=\"3598\" data-start=\"3509\"\u003emaximum suspension travel, improved damping control, or enhanced off-road performance\u003c\/strong\u003e, upgraded packages with \u003cstrong data-end=\"3662\" data-start=\"3623\"\u003eaftermarket shocks and control arms\u003c\/strong\u003e are strongly recommended.\u003c\/p\u003e","brand":"Cognito","offers":[{"title":"Default Title","offer_id":42911561678937,"sku":"110-P1313","price":3004.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/9913\/7113\/files\/110-p1313.jpg?v=1765484855","url":"https:\/\/thor-off-road.myshopify.com\/products\/cognito-2020-gmc-chevrolet-2500-3500-3-elite-leveling-kit-w-king-2-5-copy","provider":"Thor Off-Road","version":"1.0","type":"link"}