{"product_id":"readylift-4in-big-lift-kit-2019-2024-silverado-trail-boss-sierra-at4-44-39420","title":"ReadyLIFT 4\" Big Lift Kit - 2019-2024 Silverado Trail Boss \/ Sierra AT4 1500","description":"\u003cp\u003eThe ReadyLIFT 4\" Big Lift Kit (part 44-39420) is engineered for 2019-2024 Chevy Silverado 1500 Trail Boss and GMC Sierra 1500 AT4 trucks. Boxed steel cross members, a full-width 3\/16\" plate steel skid plate and heavy-duty diff drop brackets deliver ride quality and handling that ReadyLIFT says beats stock.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart number:\u003c\/strong\u003e ReadyLIFT 44-39420\u003c\/p\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e3\/16\" plate steel boxed front\/rear cross members and full-width front skid plate\u003c\/li\u003e\n  \u003cli\u003e1\/4\" boxed plate steel differential drop brackets with a double gusset and boxed center rib\u003c\/li\u003e\n  \u003cli\u003eAngled and offset heavy-duty top mount strut extensions keep the factory struts working at the right angle\u003c\/li\u003e\n  \u003cli\u003eLower strut pre-load spacer adds a slight increase in spring rate for larger wheels and tires\u003c\/li\u003e\n  \u003cli\u003eCast iron lift knuckles retain factory-quality geometry\u003c\/li\u003e\n  \u003cli\u003eFabricated steel rear lift blocks with integrated bump stop landings\u003c\/li\u003e\n  \u003cli\u003eIncludes ReadyGuard Powertrain Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat's included\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eHeavy-duty front and rear cross members and skid plate\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty top mount strut extensions and rear shock extensions\u003c\/li\u003e\n  \u003cli\u003eSway bar drop brackets\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty fabricated steel rear lift blocks with bump stop landings\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty cast iron lift knuckles\u003c\/li\u003e\n  \u003cli\u003eAll necessary hardware and instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e2019-2024 Chevy Silverado 1500 Trail Boss\u003c\/li\u003e\n  \u003cli\u003e2019-2024 GMC Sierra 1500 AT4\u003c\/li\u003e\n  \u003cli\u003eWill not fit late-model 2024 or 2025 trucks with round U-bolts; ReadyLIFT U-bolt part 67-35150UB allows fitment on 2025 applications\u003c\/li\u003e\n  \u003cli\u003eNot compatible with rear mono-leaf springs\u003c\/li\u003e\n  \u003cli\u003eNot for diesel engine applications (no oil line relocation bracket included)\u003c\/li\u003e\n  \u003cli\u003eSingle cab configuration has not been validated for fitment and drivability by ReadyLIFT\u003c\/li\u003e\n  \u003cli\u003eUse of the Auto 4 Hi feature is not recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTire fitment\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eRecommended max with no trimming: 35x12.50 on a 20x9 wheel with 0 offset\u003c\/li\u003e\n  \u003cli\u003eMax with trimming: 35x12.50 or 325\/60R20 on a 20x10 wheel with -18 offset\u003c\/li\u003e\n  \u003cli\u003e18\" wheels: only -12 mm offset works; an 18x9 with 0 mm offset or higher does not\u003c\/li\u003e\n  \u003cli\u003eTrimming for larger than recommended wheels\/tires includes the front valance, front and rear felt liner edges, and the front wheel well edge mud flap\u003c\/li\u003e\n  \u003cli\u003eReadyLIFT bases its wheel and tire recommendations on specific wheel and tire brands, and sizes vary by manufacturer, so test-fit every wheel and tire combination before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstall notes\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eEstimated installation time: 10 hours +\/- 1 hour (excludes alignment and wheel\/tire assembly).\u003c\/li\u003e\n  \u003cli\u003eRead the instructions completely before starting. ReadyLIFT recommends installation by a certified mechanic.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eQuestions about fitment? Email info@ventureoverlandcompany.com with your year, make, model, and trim before ordering.\u003c\/p\u003e","brand":"ReadyLift","offers":[{"title":"Default Title","offer_id":51361687175407,"sku":"BKMQ_44-39420","price":2419.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1660\/4205\/files\/44-39420.png?v=1793340198","url":"https:\/\/ventureoverlandcompany.com\/products\/readylift-4in-big-lift-kit-2019-2024-silverado-trail-boss-sierra-at4-44-39420","provider":"Venture Overland Company","version":"1.0","type":"link"}