

SKU: SKU: 66-3112
2" OEM-style cast-iron rear block kit for single-rear-wheel GM 2500/3500 HD.
OEM-style cast-iron rear blocks safely add 2" of rear lift and eliminate the danger of stacking blocks. Made from cast iron just like the factory blocks for maximum strength and reliability, and designed to work with a ReadyLift front leveling kit for a slight rake for towing and hauling.
Fits: 2011-2024 Chevy Silverado / GMC Sierra 2500 HD and 3500 HD, 8-lug, single rear wheel, 2WD and 4WD. Single rear wheel only (will not fit dually).
Single rear wheel only (will not fit dually). Not intended for trucks with factory overload springs unless custom-length U-bolts (not included) are used. Estimated installation time about 1.8 hours (excluding alignment and wheel/tire assembly). Backed by the ReadyLift limited lifetime warranty.
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