Description of ๐ GM Silverado/Sierra 2500 HD OEM Style Rear Block Kit - Enhanced ReadyLift 66-3111, 1-inch Option
OEM style block with pre-cut and E-coated U-bolts. Based on OEM designs and never made out of light weight extrusions, our 1" GM Blocks are made from cast iron just like the factory blocks, ensuring maximum strength and reliability. These Rear Block Kits include two (2) 1" Rear Blocks, four (4) E-Coated U-Bolts, eight (8) Nuts and Washers. Installs easily in about an hour - professional install recommended. against manufacturer defects in materials and workmanship for the life of your vehicle.