NASCAR released the Post-Event Penalty Report for Las Vegas Motor Speedway:
Monster Energy NASCAR Cup Series, Las Vegas Motor Speedway
Infraction Date: 3/4/2018 (post-race inspection)
Team: #4–Kevin Harvick
Violation: Sections 20.4.8.1 Rear Window Support and Structure b. & c.; 20.4.18 Rocker Panel Extensions .b
Note: Rear Window Support Braces must keep the rear window glass rigid in all directions at all times. The Right Side Rocker Panel Extension did not meet NASCAR rule specifications, extension was not aluminum.
Penalty: Crew chief (Rodney Childers) has been fined $50,000. Car chief (Robert Smith) has been suspended from the next two Monster Energy NASCAR Cup Series Championship Points Events. Team has been assessed with the loss of 20 driver points and 20 owner points
Infraction Date: 3/4/2018 (post-race inspection)
Team: #55-Joey Gase
Violation: Sections 10.9.10.4: Tires and Wheels
Note: Lug nut(s) not properly installed.
Penalty: Crew chief (Todd Parrott) has been fined $10,000.
NASCAR XFINITY Series, Las Vegas Motor Speedway
None
Camping World Truck Series, Las Vegas Motor Speedway
None
— NASCAR —
Stewart-Haas Statement: “Late today, NASCAR made us aware of a penalty they’re imposing on our No. 4 Cup Series team. We’re going to take the time and evaluate our options, and we plan to continue dialogue with NASCAR to fully understand the rationale behind the penalty.”