

SKU: SKU: RL-44-3072
Adjustable 7-to-8-inch big lift kit with four Bilstein 5100 Series shocks and tubular upper control arms for the 2011-2019 GM 2500HD/3500HD.
Precision laser-cut and CNC-formed bolt-in sub-frame assemblies with custom nodular-iron knuckles deliver correct geometry and handling, while an integrated differential drop bracket keeps CV axle angles correct on 4WD. ReadyLIFT forged torsion keys provide adjustable 7-to-8-inch front lift; an OEM-quality 5-inch cast iron rear block maintains ride comfort. Components carry a durable Plascoat polymer finish.
Fits: 2011-2019 Chevy Silverado / GMC Sierra 2500HD/3500HD 2WD/4WD. Runs stock 20" wheels or 9" wheels with 4.75"-5.5" backspacing; stock 17"/18" wheels will not clear.
Up to 37" tall tires.
SRW models may require custom U-bolts to clear the factory tow package; will not fit DRW applications without custom U-bolts. Towing capacity is reduced. Kit is primarily intended for 2WD at road speed, with 4WD for off-road or low-speed use. Single cab configuration has not been validated by ReadyLIFT.
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