With the rescheduling of the O'Reilly NHRA Thunder Valley Nationals at Bristol Dragway to July 6-8, points accumulation for the 2007 NHRA King Demon Crown bonus event for Pro Stock drivers has been shortened to 22 events. The O'Reilly NHRA Summer Nationals at Heartland Park Topeka, June 1-3, is the last event where drivers can earn points for the prestigious event. With the rescheduling of the O'Reilly NHRA Thunder Valley Nationals at Bristol Dragway to July 6-8, points accumulation for the 2007 NHRA King Demon Crown bonus event for Pro Stock drivers has been shortened to 22 events. The O'Reilly NHRA Summer Nationals at Heartland Park Topeka, June 1-3, is the last event where drivers can earn points for the prestigious event.