NASCAR issues new rules package for road courses, short tracks

NASCAR confirmed that Cup Series teams are receiving a rulebook bulletin this week detailing the updates to the car for road courses and a majority of tracks measuring 1.058-mile or less in distance.
The package, which was tested in the offseason at Phoenix Raceway, will debut at that track for its March 12 race.
It consists of a 2-inch spoiler and the removal of three diffuser strakes and …Keep reading