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The Superlift 1.5-inch block kit for 1999–2010 Chevy Silverado and GMC Sierra 1500 and 2500 4WD applications provides a 1.5-inch rear lift using cast iron blocks matched to late-model Silverado/Sierra 4WD rear axles. The kit includes two cast iron blocks, four U-bolts and all nuts and washers required for installation, and is covered by a limited lifetime warranty.
Superlift 99-10 Chevy Silv/GMC Sierra 1500/2500 4WD 1.5in Block Kit
