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The Skyjacker 2-inch block and U-bolt kit for 1973–1987 GM 1/2 ton trucks raises the rear with ductile iron blocks featuring fixed center pins. U-bolts are e-coated for corrosion resistance and blocks are tapered to correct pinion angle, helping reduce driveline vibration. The kit is offered in Skyjacker’s range of block and U-bolt assemblies to restore proper axle geometry after lift installation.
Skyjacker GM 2in Block & U-bolt Kit
