Amendment to the 2008 DHRA Rule Book Drag Racing Portion - Page 39 - Points and Related Programs DHRA Sportsman Championships - shall read: The Diesel Power! Drag Racing Series has six classes - Bracket (ET), Quick Diesel (QD), Pro Street 2wd (PS/2), Pro Street 4wd (PS/4), Pro Stock (PRO), Top Diesel (TD). Championships can be earned in each of the six classes, participants will earn points at each race. Championships will be determined by the participants with the most points earned in the scheduled races. The National Champions will receive a Rudy, Leather Coat and other gifts during the Champions banquet.