NASCAR released the Post-Event Penalty Report for Darlington Raceway:
Monster Energy NASCAR Cup Series Darlington Raceway
Infraction Date: 9/2/2018 (post-race inspection)
Team: #42-Kyle Larson
Violation: Sections 10.9.10.4: Tires and Wheels. Note: Lug nut(s) not properly installed.
Penalty: Crew chief (Chad Johnston) has been fined $10,000.
NASCAR XFINITY Series Darlington Raceway
Infraction Date: 9/1/2018 (pre-race inspection)
Team: #19-Brandon Jones
Violation: Section 8.7.b Vehicles/Equipment/Parts Failing to Meet Specification Note: Vehicle failed inspection multiple times.
Penalty: Team has been assessed with the loss of 10 driver points and 10 owner points.
See the Darlington Post-Event Penalty Report (pdf) for complete details.
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