IRONTEK 12mm Wheel Spacers Fit for 6x5.5”, 6x135, 6x139.7mm (ID: 93.1mm, OD: 176mm) Wheel Spacers Adapter fit for Chevrolet/Silverado 1500/Tahoe/Express 1500, for GMC Sierra 1500 Canyon 4PCS - WSA80085

• 【Fitment】Fit Bolt Pattern:6x5.5, 6x135, 6x139.7. for Chevrolet (2004-2012 Colorado/ 2003-2014 Express 1500/ 1999-2018 Silverado 1500), for Lincoln 2003-2021 Navigator, for GMC (2004-2012 Canyon/ 1999-2018 Sierra 1500) 【Parameter】Outside Diameter: 176mm |Hub Center Bore: 93.1mm | Thickness: 1/2 inch, 12mm | Quantity: 4. Not hub centric. This set is for Universal Spacers used for minor clearance issue 【Premium Quality】wheel spacers are CNC machined from 6061-T6 aluminum billet, more accurate, smoother, stronger and more beautiful than other casting similar products, efficiently eliminate the risk of vibrations, easy to instal. Silver anodized surfaceare provides additional resistance to corrosion. 【INSTALLATION】Requires standard tire repair tools, a torque wrench, and lug socket. While installation is simple and most knowledgeable buyers can install themselves, we recommend professional installation especially if it's your first time installing auto parts. IMPORTANT SAFETY ADVISORY: May Require extended wheel studs. Torque lug nuts to manufacturer specifications. Check and re-torque all hardware after 25-50 miles. 【INSTALLATION】Requires standard tire repair tools, a torque wrench, and lug socket. While installation is simple and most knowledgeable buyers can install themselves, we recommend professional installation especially if it's your first time installing auto parts. IMPORTANT SAFETY ADVISORY: May Require extended wheel studs. Torque lug nuts to manufacturer specifications. Check and re-torque all hardware after 25-50 miles.