

SKU: SKU: 66-3122
2" OEM-style rear block kit for single-rear-wheel GM 2500 HD with the factory Trailer Package springs.
OEM-style cast-iron rear blocks designed specifically for trucks equipped with the factory Trailer Package rear springs. They safely add 2" of rear lift, eliminate the danger of stacking blocks, and are made from cast iron just like the factory blocks for maximum strength and reliability.
Fits: 2011-2024 Chevy Silverado / GMC Sierra 2500 HD and 3500 HD, 8-lug, single rear wheel, 2WD and 4WD, with the factory Trailer Package rear springs.
For single-rear-wheel 2500/3500 HD trucks with the factory Trailer Package rear springs only. Not compatible with trucks equipped with top-mounted overload springs. Estimated installation time about 1.8 hours (excluding alignment and wheel/tire assembly). Backed by the ReadyLift limited lifetime warranty.
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