NASCAR will require teams to tighten all lugnuts

NASCAR sent a memo to teams on Monday updating the NASCAR rulebook that all 5 lug nuts are now required to be installed:

.a All tires, wheels, and all five lugnuts must be installed in a safe and secure manner at all times during the event.
.b NASCAR reserves the right at any time to require any Competitor to report to pit road to inspect for any non compliance.
.c Any loss of a wheel(s) beyond the exit of pit road may result in a penalty…

Violation of the section, resulting in the loss of a wheel, could result in a mandatory minimum four race suspension of the crew chief and tire changer and tire carrier.

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