Looking at Ppacker's previous posts it looks like these tires are for his 1948 6100 Tow Truck posted about here in the GTT previously. To provide a better place for on-topic answers to this "Big Bolt" tire question, I have moved Ppacker's threads to the Big Bolts forum for further discussion and help. Best of luck with finding the tires you are searching for! thumbs_up

~ Dan
1951 Chevy 3 window 3100
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"My Grandpa Carl's Truck and How it Became Mine"
1966 Chevelle (Wife's Hot Rod) | 2013 Chevy Silverado (Current daily driver)
US Army MSG Retired (1977-1998) | Com Fac Maint Lead Tech Retired (1998-2021)