Forged 2" Drop Steering Knuckles For Chevy Silverado GMC Sierra 1500 2WD 2007-2014 98457551Introduction: Drop spindles can get your vehicle closer to the ground without making any dramatic changes to your suspension setup. They're a hassle free way to achieve that custom look but can also be combined with lowering springs, putting you low enough to avoid speed bumps at any cost. Application: 2007 2016. 5 Chevrolet Silverado 1500 (All Cabs) 2WD Only 2007 2016. 5 GMC Sierra 1500 (All Cabs) 2WD Only 2007 2014 Chevrolet Tahoe 2WD 4WD 2007 2014