{"product_id":"2025-2026-gm-1500-trail-boss-at4-4-big-lift-kit-w-falcon-2-1-shocks-44-35426","title":"2025-2026 GM 1500 Trail Boss \/ AT4 4\" Big Lift Kit w\/ Falcon 2.1 Shocks (44-35426)","description":"\u003ch6\u003eDescription\u003c\/h6\u003e\n\u003cp\u003eReadyLIFT's reengineered 4\" Big Lift Kit for the 2025-2026 Chevy Silverado 1500 Trail Boss and GMC Sierra 1500 AT4 adds 4\" on top of the factory 2\" lift. It is built around the larger front differential GM introduced for 2025, with redesigned steering knuckles for a better turning radius, retained factory Auto 4WD and revised geometry to help prevent driveline vibration, and it now ships with Falcon 2.1 Monotube rear shocks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 44-35426 (supersedes 44-35425)\u003c\/p\u003e\n\u003ch6\u003eFeatures\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eFalcon 2.1 Monotube extended-length rear shocks (2.3\" aluminum body, 3\/4\" shaft)\u003c\/li\u003e\n\u003cli\u003eRedesigned steering knuckles for an improved turning radius\u003c\/li\u003e\n\u003cli\u003eRetains factory Auto 4WD functionality\u003c\/li\u003e\n\u003cli\u003eRevised suspension geometry helps prevent driveline vibration\u003c\/li\u003e\n\u003cli\u003eIncludes ReadyGuard Powertrain Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTire Fitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e*Max with trimming: 20x10 -18 offset - 35x12.50 or 325\/60R20\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6\u003eNotes\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eUse of Auto 4 Hi feature not recommended\u003c\/li\u003e\n\u003cli\u003eNot compatible with rear mono-leaf springs\u003c\/li\u003e\n\u003cli\u003eSingle Cab configuration has not been validated for fitment \u0026amp; drivability by ReadyLIFT\u003c\/li\u003e\n\u003cli\u003eNot for use on diesel applications (no oil line relocation bracket included)\u003c\/li\u003e\n\u003cli\u003e18\" wheels are not recommended; an 18x9 with 0mm offset or higher does not fit\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"ReadyLift","offers":[{"title":"Default Title","offer_id":47361709506649,"sku":"44-35426","price":3119.94,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8030\/9593\/files\/44-35426.jpg?v=1790892001","url":"https:\/\/dirtygarage.com\/products\/2025-2026-gm-1500-trail-boss-at4-4-big-lift-kit-w-falcon-2-1-shocks-44-35426","provider":"Dirty Garage","version":"1.0","type":"link"}