Watch pay-per-view video of preliminary action leading up to the 16th annual Lucas Oil Late Model Knoxville Nationals, as the Lucas Oil Late Model Dirt Series makes its annual visit to historic Knoxville (Iowa) Raceway on Sept. 12-13.

DirtonDirt.com's broadcasts cover every lap of preliminary action Thursday and Friday, with a complete racing program headlined by a 25-lap, $7,000-to-win main event scheduled for each evening.

Follow this link to purchase packages now: http://bit.ly/2krNldF or click here to learn more about our live broadcasting: http://bit.ly/2wEIS9y.

Note: Due to television restrictions, live video coverage for Saturday's event will not be available at DirtonDirt.com.