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The Superlift 2.5-inch block kit for 1988–1998 GM 2500 4WD applications provides a 2.5-inch rear lift using cast iron blocks sized to work with the 2500 4WD rear axle. The kit includes two cast iron blocks, four U-bolts and all nuts and washers needed for installation, and is backed by a limited lifetime warranty.
Superlift 88-98 GM 2500 4WD 2.5in Block Kit
