20×9 inch gunmetal Trailblazer SS replica’s. 6×5.5 6×139.7 bolt pattern, +22 0ffset. (this application is NOT to fit any Trailblazers, the fitments are listed below). These wheels will fit. (wheel size can not be down sized from factory size). Use our list of vehicles above but. The year, make and model vehicle you are installing. Consider adding Gorilla after market lug nuts. For your new wheels. Factory lug nuts will not work with these rims. Us any questions you have by clicking on. The item “20 inch gunmetal Chevrolet SS OE factory replica rims GMC Sierra Yukon 6×5.5″ is in sale since Thursday, January 28, 2016. This item is in the category “eBay Motors\Parts & Accessories\Car & Truck Parts\Wheels, Tires & Parts\Wheels”. The seller is “wheelcitymn” and is located in Burnsville, Minnesota. This item can be shipped to United States, to Canada.