4 GMC Sierra Wheel Spacers Adapters 1 inch thick fits ALL GMC Sierra 1500 Model Trucks This Wheel Spacer Kit Comes with Everything Needed for a Full Installation! Set of 4 High Quality Billet Aluminum Wheel Spacers Complete with Machine Pressed Studs and Nuts Eliminate Wheel Rub and Increase Stability INSTANLY!!! Also great for fixing clearance issues if your wheels are hitting your shocks or brake calipers 6x5.5 or 6x139.7 Bolt Pattern with Machine Pressed 14x1.5 Studs Rock Solid Wheel Spacers Made Out of CNC Billet Aluminum and Anodized to Prevent Corrosion