1 of 55 RO/WO factory drag race Coronet and Belvederes By Mustaqim Jaed at May 08, 2022 Post a Comment Makes me say Damnit. According to Galen Govier only 1 1966 S/S Coronet was built (WO21H6*******)and 50 S/S Belvedere's (RO21H6*******). In 1… Belvedere drag racing Factory lightweight Factory race car plymouth Super Stock