The Superlift 5-inch block kit for 1988–1998 GM 2500 4WD applications provides a 5-inch rear lift using cast iron blocks designed for straightforward rear-axle installation on 2500 4WD trucks. Included are two cast iron blocks, four U-bolts and all nuts and washers required for installation; the kit is covered by a limited lifetime warranty.
Superlift 88-98 GM 2500 4WD 5in Block Kit