Professionally built turbocharged LS engine conversion with a large front-mount intercooler, Tial external wastegate and blow-off valve, AEM air-fuel monitor, and digital boost gauge. The Yukon also has Cosmis lightweight 22-inch wheels, newer Bilstein suspension, a new air-conditioning system, and a Dakota Digital dash with an extra lens. Original books, manuals, supplements, lug-nut tool, keys, and extra parts are included.