NASCAR will switch to a single lug nut for fastening its tire and wheel assemblies in Cup cars next season, ending decades of using a renowned five lug nut pattern. An official told NBC Sports the ...
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For years, NASCAR has used five lug nuts on a race car's wheels. At the conclusion of the 2020 season, that is set to change. NASCAR is planning to switch to a single lug nut for fastening tires ...