NHRA officials announced today a revised structure for Super Stock and Stock class at the DENSO Spark Plugs NHRA U.S. Nationals. Under the revised structure the two quickest cars in a class or combo after the first qualifying session will be paired up in the second qualifying session to determine a winner.
Qualifying and class will be contested on Thursday, September 3rd. The second qualifying session for each category will begin with class finals. Alternates will be inserted if required.