Dirt Big Block Modified

The Dirt Big Block Modified is iRacing’s Super DIRTcar series car, producing 757 horsepower from a 467 cubic inch big block engine.iRacing Released: March 29, 2017Manufacturer: Super DIRTcarClass: Dirt ModifiedDrive Type: RWDCompetes in the real-world Super DIRTcar Series, the premier dirt modified series in the northeastern United States.