The Superlift 1.5-inch block kit for 1988–1998 GM 2500 4WD applications provides a 1.5-inch rear lift using cast iron blocks sized for heavy-duty 2500 4WD trucks. The kit includes two cast iron blocks, four U-bolts and all nuts and washers required for installation, and is backed by a limited lifetime warranty.
Superlift 88-98 GM 2500 4WD 1.5in Block Kit