The Superlift 4-inch block kit for 1988–1998 GM 2500 4WD applications provides a 4-inch rear lift via cast iron blocks sized for these heavy-duty 4WD trucks. The package contains two cast iron blocks, four U-bolts and all nuts and washers necessary for installation, and the kit is covered by a limited lifetime warranty.
Superlift 88-98 GM 2500 4WD 4in Block Kit