News Release, Maryland International Raceway MECHANICSVILLE, MARYLAND – Maryland International Raceway ™ (MDIR) and Hollyrock Customs are proud to announce the all new points program for the Hollyrock Custom/Winegardner Auto Group Diesel Shootout. The Hollyrock Custom/Winegardner Auto Group Diesel Shootout just got more exciting! This class is run during all Speed Unlimited Midnight Madness events […]
