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The Superlift 3-inch block kit for 1973–1987 Chevy K20 and GMC K25 pickup 4WD applications provides a 3-inch rear lift using cast iron blocks matched to the rear axle configuration. The kit contains two cast iron blocks, four U-bolts and all nuts and washers required for installation, and is covered by a limited lifetime warranty.
Superlift 73-87 Chevy K20/GMC K25 Pickup 4WD 3in Block Kit
