Pre-race technical checks at Kansas Speedway produced sanctions for two Chevrolet entries. While it's bad news for those teams, all 12 playoff contenders advanced without issue.

Officials flagged the No. 71 Spire Motorsports car of Michael McDowell for unapproved splitter changes as it queued for the second time for checks. The team refitted the struts and ran the car back through the Optical Scanning Station, but it failed due to these changes.

Because of this, NASCAR has ejected crew chief Travis Peterson for the remainder of the race weekend at Kansas, and McDowell will drop to the back of the grid while also being forced to perform a stop-and-go at the green. Qualifying 21st, he arrived at Kansas 25th in the drivers' standings, outside the playoff field.

Trackhouse Racing's No. 88,

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