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The Superlift 3-inch block kit for 1999–2010 Chevy Silverado and GMC Sierra 1500 and 2500 4WD applications provides a 3-inch rear lift using cast iron blocks sized for these full-size 4WD trucks. The kit contains two cast iron blocks, four U-bolts and all nuts and washers required for installation, and is backed by a limited lifetime warranty.
Superlift 99-10 Chevy Silv/GMC Sierra 1500/2500 4WD 3in Block Kit
