A Four Wheeler reader's question about Coker tires leads to a bigger discussion about bias-ply tires, safety beads, and old 4x4s. Verne Simons Writer Jan 12, 2022 See All 8 Photos ...

The also has been widened to 11 inches, versus 10 inches on tires for modified, to give the NASCAR cars and trucks more grip. A key reason for using bias-ply tires, according to Greg Stucker, Goodyear ...