Can run factory 20-inch wheels. Provides highly sought level stance. High clearance crossmember design gives unmatched ground clearance. 100% precision laser cut materials using the latest computer aided design process. Fabricated blocks are stronger and offer a longer lifespan than cast blocks.IMPORTANT! - Installation of larger tires will require a Hypertech Speedometer Calibrator (#732501) Does not fit Hybrid eAssist models Does NOT fit models with stock Cast Steel Control Arms Does NOT fit GMC Denali models with Magnetic Ride Control. Requires cutting and drilling. If wider than 35x12.50 R20 tires are used, offset wheels will be required and trimming may be required. 18-inch or larger wheels are required. Please view installation instructions for complete information on proper tire/wheel combinations. If truck is equipped with a mass damper on the front differential, the damper must be removed.8-10 hourshttps://s3.amazonaws.com/roughcountry/install/921174000B.pdf2014-2018:4WD:Chevy:Silverado 1500;2014-2018:4WD:GMC:Sierra 1500
