Most GM dealers were "encouraged" to get into the tire business a few years back, had to purchase fancy Hunter tire machine and road force ballancer. They do help with the "problem child" wheel balance issues.
BC 1960 Chevy C10 driver 261 T5 4.10 dana 44 power loc 1949 GMC 250 project in waiting 1960 C60 pasture art Retired GM dealer tech. 1980 - 2022