The Superlift 2-inch block kit for 1973–1987 Chevy K20 and GMC K25 pickup 4WD applications provides a 2-inch rear lift using cast iron blocks engineered for simple installation on these trucks. Included are two cast iron blocks, four U-bolts and all necessary nuts and washers for installation, and the kit is covered by a limited lifetime warranty.
Superlift 73-87 Chevy K20/GMC K25 Pickup 4WD 2in Block Kit