The 1990 NASCAR Winston Cup Series was the 42nd season of professional stock car racing in the United States and the 19th modern-era Cup Series. It began on Sunday, February 11, and ended on Sunday, N

The 1990 DieHard 500 was the 17th stock car race of the 1990 NASCAR Winston Cup Series season and the 22nd iteration of the event. The race was held on Sunday, July 29, 1990, before an audience of 70,