AVAILABLE VEHICLES-FOR-1988-1999 for K1500 1992-1999 for K1500 Suburban 1989-2000 for K2500 2010-2011 for Savana 1500 2014 for Sierra 1999-2018 for Sierra 1500 2000-2018 for Yukon. Bolt Pattern Specifications- Wheel Spacers 1 inch 6x5.5 12x1.25 77.8 1". INSTALLATION-The wheel spacers and bolts in the installation of the size must be suitable for the tire, the selected products must be consistent, the right installation is conducive to the use of the tire and the product. TOUCHING AREA -It is beneficial to expand the touching area between tires and ground, enhance the stability of vehicle body, especially for high-speed vehicles, and stabilize the center of gravity of vehicles in the process of driving.
