KSP brand wheel spacers. Brand new. In the box. The center bore is about 3-1/16” M-14 studs. 1.50-Inch Hubcentric Pro Billet Wheel Spacers Black Finish Durable and Corrosion-Resistant Finish High-Quality Billet Aluminum Construction Precision Engineered for Safety and Performance Enhances Wheel Offset and Stance Easy Bolt-On Installation Hubcentric Design for Precise Fit Fits All 2007-2026 Yukon Models and others Silverado, Escalade, Suburban, Sierra, etc. I bought these with new wheels and decided the wheel offset alone was enough. They are brand new. I no longer need them. I paid 250 for them selling for 100. Call or text for questions.