Command the Terrain: GMC's fourth-generation Sierra 1500 AT4X already turns heads with bold styling and rugged capability, but Rough Country's 4-Inch Suspension Lift Kit takes it even further. Achieve the aggressive stance you crave with a leveled front-to-rear ride and enough clearance to run 35-inch tires without additional modifications.Precision Engineering Meets Rugged Performance: Designed to maintain optimal suspension geometry, this kit features high-clearance crossmembers and heavy-duty cast knuckles for extreme durability in the toughest environments. Upper strut spacers offer uncompromised strength and rigidity while preserving your factory ride quality. Rear fabricated lift blocks and shock relocation brackets ensure your OE Multimatic shocks stay perfectly aligned, delivering consistent performance and extended component life.Factory Fit, No Compromises: No strut disassembly or differential trimming required, this lift kit is engineered for a straightforward installation while retaining your factory track width. All components are crafted using 100% precision laser-cut materials and advanced CAD processes for a perfect fit every time.DIY-Friendly Installation: Estimated installation time is 8-10 hours. This kit is ideal for skilled DIYers or professional installers looking for a smooth and efficient install process.Limited Lifetime Replacement Warranty: Rough Country's 4" Suspension Lift Kit is backed with a limited lifetime replacement warranty towards manufacturer defects. As such, the product is protected from structural and workmanship damage after the date of purchase. With our industry-leading warranty give yourself peace of mind when using Rough Country's Suspension products!