Superlift 73-87 Chevy K5 K10/GMC K15 2.5in Block Kit

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Superlift rear block kits help distribute the weight of your cargo and improve the towing performance of your truck. They'll also give your rear a little lift to bring it back to the proper ride height.

Superlift's block kits include two cast iron lift blocks and four U-bolts with factory type Hi-nuts and flat washers. The blocks are cast from Class 30 Gray Iron, the same material used by vehicle manufacturers for their spacer blocks. Our U-bolts are manufactured from low allow, high strength steel. The anti-corrosion finish is either Zinc or E-coat

• 1973-1974 Chevrolet Blazer 2.5 in. Rear Block Kit 4WD
• 1987-1991 Chevrolet Blazer 2.5 in. Rear Block Kit 4WD
• 1975-1986 Chevrolet K10 2.5 in. Rear Block Kit 4WD
• 1973-1974 Chevrolet K10 Pickup 2.5 in. Rear Block Kit 4WD
• 1973-1986 Chevrolet K10 Suburban 2.5 in. Rear Block Kit 4WD
• 1975-1986 Chevrolet K5 Blazer 2.5 in. Rear Block Kit 4WD
• 1973-1991 GMC Jimmy 2.5 in. Rear Block Kit 4WD
• 1975-1978 GMC K15 2.5 in. Rear Block Kit 4WD
• 1975-1978 GMC K15 Suburban 2.5 in. Rear Block Kit 4WD
• 1973-1974 GMC K15/K1500 Pickup 2.5 in. Rear Block Kit 4WD
• 1973-1974 GMC K15/K1500 Suburban 2.5 in. Rear Block Kit 4WD
• 1979-1986 GMC K1500 2.5 in. Rear Block Kit 4WD
• 1979-1986 GMC K1500 Suburban 2.5 in. Rear Block Kit 4WD