2015-2016 Silverado/Sierra 2WD owners. Here is some info on the spindle and control arm options.
The 2015-2016 are coming with two different spindles from the factory that are causing some problems when you want to lower your truck.
The Suspension Source: 2015-2016 Silverado/Sierra Spindle Help
The 2015-2016 are coming with two different spindles from the factory that are causing some problems when you want to lower your truck.
The Suspension Source: 2015-2016 Silverado/Sierra Spindle Help