National Open / Race Of Champions For Sportsman / Modified Stock Cars Introduction Langhorne Speedway 1951-1971 Trenton Speedway 1972 - 1976 Pocono Speedway 1977 - 1991 Flemington Speedway 1992 - 1995 Oswego Speedway 1996 - 2005
Introduction
Langhorne Speedway 1951-1971 Trenton Speedway 1972 - 1976 Pocono Speedway 1977 - 1991 Flemington Speedway 1992 - 1995 Oswego Speedway 1996 - 2005
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