{"product_id":"readylift-4-inch-big-lift-kit-2025-2026-chevy-gmc-silverado-sierra-1500-44-35400","title":"ReadyLIFT 4 Inch (4+2) Big Lift Kit - 2025-2026 Chevy Silverado 1500 ZR2 GMC Sierra 1500 AT4X (44-35400)","description":"\u003cp\u003eThis ReadyLIFT big lift kit is made for the 2025-2026 Chevy Silverado 1500 ZR2 and GMC Sierra 1500 AT4X. It adds 4 inch of lift on top of the factory 2 inch lift, for 6 inch total, and fits up to a 35x12.50 tire on a 20x9 wheel with 0 offset and no trimming. The front keeps the factory strut and geometry, and the rear uses fabricated steel blocks with integrated bump stop landings. Shocks are not included; rear shock extensions let you keep the factory performance shocks.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eProprietary lower strut clamshell design that maintains factory geometry and keeps the factory strut in use\u003c\/li\u003e\n\u003cli\u003eAngled and offset top mount strut extensions with a lower strut pre-load spacer for a slight spring rate increase\u003c\/li\u003e\n\u003cli\u003eFabricated steel rear blocks with integrated bump stop landings\u003c\/li\u003e\n\u003cli\u003eRear shock extensions that retain the factory performance shocks\u003c\/li\u003e\n\u003cli\u003e3\/16 inch thick steel plate cross members and skid plate\u003c\/li\u003e\n\u003cli\u003eAnti-torsion boxed and gusseted plate steel differential drop brackets, 1\/4 inch boxed plate steel\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eKnuckle\u003c\/li\u003e\n\u003cli\u003eFabricated rear blocks (driver and passenger)\u003c\/li\u003e\n\u003cli\u003eRear brake line bracket\u003c\/li\u003e\n\u003cli\u003eRear ABS bracket\u003c\/li\u003e\n\u003cli\u003eCV axle spacer\u003c\/li\u003e\n\u003cli\u003eRear shock extensions and washers\u003c\/li\u003e\n\u003cli\u003eHardware pack\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment and compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFits 2025-2026 Chevy Silverado 1500 ZR2 and GMC Sierra 1500 AT4X only\u003c\/li\u003e\n\u003cli\u003eNot compatible with rear mono-leaf springs\u003c\/li\u003e\n\u003cli\u003eUse of the Auto 4 Hi feature is not recommended\u003c\/li\u003e\n\u003cli\u003eLarger aftermarket tires, often 10-ply or more and E-rated, can increase ride harshness\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: 44-35400\u003c\/li\u003e\n\u003cli\u003eKit lift: 4 inch (4+2)\u003c\/li\u003e\n\u003cli\u003eTotal lift: 6 inch with the factory 2 inch lift\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\u003c\/li\u003e\n\u003cli\u003eShocks included: No\u003c\/li\u003e\n\u003cli\u003eHardware included: Yes\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 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":45534340841538,"sku":"44-35400","price":2346.99,"currency_code":"USD","in_stock":true}],"url":"https:\/\/www.skinnypedalracing.com\/products\/readylift-4-inch-big-lift-kit-2025-2026-chevy-gmc-silverado-sierra-1500-44-35400","provider":"Skinny Pedal Racing","version":"1.0","type":"link"}