{"product_id":"readylift-4-inch-big-lift-kit-2025-2026-chevy-gmc-silverado-sierra-1500-44-35425","title":"ReadyLIFT 4 Inch (4+2) Big Lift Kit - 2025-2026 Chevy Silverado 1500 Trail Boss GMC Sierra 1500 AT4 (44-35425)","description":"\u003cp\u003eThis ReadyLIFT 4+2 big lift kit is made for the 2025-2026 Chevy Silverado 1500 Trail Boss and GMC Sierra 1500 AT4, and it is not for diesel engines. It fits up to a 35x12.50 tire on a 20x9 wheel with 0 offset and no trimming. The front uses angled and offset strut extensions on cast iron lift knuckles, and the rear gets fabricated steel blocks with integrated bump stop landings. ReadyLIFT's page also lists a Falcon rear shock in the kit.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCast iron lift knuckles engineered to retain factory-quality geometry\u003c\/li\u003e\n\u003cli\u003eAngled and offset top mount strut extensions that realign the struts\u003c\/li\u003e\n\u003cli\u003eLower mount strut pre-load spacer that slightly increases spring rate\u003c\/li\u003e\n\u003cli\u003eFabricated steel rear blocks with integrated bump stop landings\u003c\/li\u003e\n\u003cli\u003eBoxed steel cross members and front skid plate in 3\/16 inch plate steel, with 1\/4 inch boxed plate steel differential drop brackets\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFront and rear cross members and skid plate\u003c\/li\u003e\n\u003cli\u003eTop mount strut extensions and rear shock extensions\u003c\/li\u003e\n\u003cli\u003eSway bar drop brackets\u003c\/li\u003e\n\u003cli\u003eFabricated steel rear lift blocks with bump stop landings\u003c\/li\u003e\n\u003cli\u003eCast iron lift knuckles\u003c\/li\u003e\n\u003cli\u003eFalcon rear shocks\u003c\/li\u003e\n\u003cli\u003eHardware and instructions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment and compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFits 2025-2026 Chevy Silverado 1500 Trail Boss and GMC Sierra 1500 AT4 only\u003c\/li\u003e\n\u003cli\u003eNot for diesel engine applications, since no oil line relocation bracket is included\u003c\/li\u003e\n\u003cli\u003eNot compatible with rear mono-leaf springs\u003c\/li\u003e\n\u003cli\u003eSingle Cab configurations have not been validated for fitment or drivability\u003c\/li\u003e\n\u003cli\u003eUse of the Auto 4 Hi feature is not recommended\u003c\/li\u003e\n\u003cli\u003eLarger setups may need trimming at the front valance, felt liner edges and a mud flap edge. Test fit every tire and wheel combination; recommendations are based on Wheel Pros wheels and Nitto tires\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBrand: ReadyLIFT\u003c\/li\u003e\n\u003cli\u003ePart number: 44-35425\u003c\/li\u003e\n\u003cli\u003eKit lift: 4 inch (4+2)\u003c\/li\u003e\n\u003cli\u003eMax tire: 35x12.50 on a 20x9 wheel, 0 offset, no trimming\u003c\/li\u003e\n\u003cli\u003eMax tire with trimming: 35x12.50 or 325\/60R20 on a 20x10 wheel, -18 offset\u003c\/li\u003e\n\u003cli\u003eMaterial: Steel and cast iron\u003c\/li\u003e\n\u003cli\u003eRear shocks: Falcon rear shocks listed in the kit\u003c\/li\u003e\n\u003cli\u003eEstimated install time: 10 hours, plus or minus 1 hour\u003c\/li\u003e\n\u003cli\u003eWarranty: Includes ReadyGuard Powertrain Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cp\u003eAllow about 10 hours, plus or minus 1, not counting alignment or wheel and tire assembly. The page labels it do it yourself, but a certified mechanic is recommended. An alignment, a headlamp aim check and ADAS recalibration with dealer tools may be needed, at extra cost.\u003c\/p\u003e\u003cp\u003eModifying your suspension can change handling and rollover risk (SAE J2492). Always wear your seat belt. ReadyLIFT's page carries a California Proposition 65 warning that names DEHP.\u003c\/p\u003e","brand":"ReadyLIFT","offers":[{"title":"Default Title","offer_id":45534341988418,"sku":"44-35425","price":2346.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1476\/5984\/files\/rls-44-35425_xl.jpg?v=1791767675","url":"https:\/\/www.skinnypedalracing.com\/products\/readylift-4-inch-big-lift-kit-2025-2026-chevy-gmc-silverado-sierra-1500-44-35425","provider":"Skinny Pedal Racing","version":"1.0","type":"link"}