Improved Ground Clearance and Ride Quality. Give your GMC Sierra AT4X/Chevy Silverado ZR2 increased ride height and a more aggressive appearance with Rough Country's 1.5in Leveling Kit! From the factory, the GMC Sierra AT4X/Chevy Silverado ZR2 sits lower in the front than the rear, creating a nose-down look that leaves a lot to be desired. Innovative Design and Construction. Rough Country's 1.5in leveling kit is exactly what your GMC Sierra AT4X/Chevy Silverado ZR2 needs to achieve the aggressive look it was meant to have. Rough Country's 1.5in Leveling Kit durable strut spacers, giving your AT4X incredible ride quality both on and off-road. Once installed, this kit gives your AT4X/ZR2 plenty of ride height for larger tires while offering a clean, level look from front to rear. Installation. Featuring a 100% bolt-on process, installation couldn't be easier. With an estimated timeframe of 3-4 hours, this full kit can be installed can be completed efficiently and quickly! Limited Lifetime Replacement Warranty. Rough Country's 1.5in Leveling 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!