Bias ply tires return to Cup Series for Bristol Dirt Race

In 1989, Goodyear began transitioning from bias play to radial tires in NASCAR competition. None of the current Cup Series drivers have run a bias ply tire in a Cup series race previously.<br>Because of the dirt track configuration for this weekend’s race at Bristol (Tenn.) Motor Speedway, teams will be running two new Goodyear tire codes this weekend.<br>While the tires feature the same ...<a class='more' href='https://www.motorsport.com/nascar-cup/news/bias-ply-tires-bristol-dirt/5867530/?utm_source=RSS&utm_medium=referral&utm_campaign=R SS-NASCAR&utm_term=News&utm_content=www'>Keep reading</a>

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