[2] The series is a national tour of high power to weight, custom fabricated sprint cars.

The series travels primarily the United States, but has sanctioned races in Canada, Mexico, and Australia.

At the time sprint car racing in the United States lacked a true national series.

Johnson organized the World of Outlaws sanctioning body and established a national schedule, a set of rules and a points system to crown a champion of his series.

[8] Previous broadcasters include The Nashville Network and Speed Channel shown live or on delay.

Tire technicians will reject certain compounds at certain circuits if they are unfit for the surface or may provide an unfair advantage.

Torsion bars, and specialty shock absorbers are the key ingredients in the handling of sprint cars.

In contrast, the left rear tire is only between 90 and 98 inches in circumference, depending on the track size and conditions.