http://www.competitionplus.com/drag-racing/news/16537-nmca-and-nmra-add-275-drag-radial-classes
Jimmy Biggs · Registered Joined Mar 4, 2005 · 93,064 Posts Discussion Starter • #1 • Jan 21, 2011 http://www.competitionplus.com/drag-racing/news/16537-nmca-and-nmra-add-275-drag-radial-classes