Saturday, August 16, 2025
USAC Silver Crown
Sunday, April 26, 1981
Saturday, May 2, 1981
Sunday, July 5, 1981
Saturday, August 15, 1981
Sunday, August 30, 1981
Saturday, September 12, 1981
Sunday, October 11, 1981
USAC National Sprint Cars, USAC Silver Crown
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