NASCAR will mandate a new right side rear-window air deflector beginning with Saturday’s Coke Zero Sugar 400 at Daytona International Speedway (7:30 p.m. ET, NBC, Peacock, NBC Sports App, MRN Radio, ...

Corey LaJoie on the new right-side rear window fin/air deflector added to the cars after NASCAR analyzed video and data from LaJoie’s flip at Michigan.

NASCAR is mandating a new right-side rear-window air deflector after Corey LaJoie‘s car flipped in the air during the Michigan Cup Series race on Monday. The mandate will begin Saturday when the ...

On Wednesday evening, NASCAR sent out a rule change bulletin heading into this weekend's NASCAR Cup Series Coke Zero Sugar 400 at Daytona International Speedway. The sanctioning body will be mandating ...

The right side rear deflector fins, added to NASCAR Cup Series cars this past weekend at Daytona in the aftermath of Corey Lajoie flipping at Michigan International Speedway the week before has now ...

NASCAR mandated a new right-side rear-window air deflector for this past Saturday’s race at Daytona, the hope being it would prevent cars from flipping over. The sanctioning body implemented the new ...