It's mud, sweat, and gears as drivers battle it out in the toughest Ultra 4 race yet.
It's all or nothing as underdog Tom Liu drives himself to the brink in a heart-stopping Ultra 4 race.
Team Indiana, the underdogs of Ultra 4, take the fight to the enemy.
Handsome Jay Callaway's racing career is on the line in one of the toughest technical East Coast race of the series.
