I am in the process of a cross country move and was going to drive my car cross country. (3500 km) The Coker WW that were on it were installed 9 years ago and who knows how old they were before installing them. (I couldn't find a date code) What really stung was there was only 8000 miles on those tires and all 4 had sidewall cracks. And the cost these days in Canadian dollars for 4 new ones is crazy. So, just before the trip I found a shop that sells wide whites and bit the bullet on 4 new DiamondBacks. Better to be safe than sorry.