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NASCAR is a professional racing circuit that features stock car racing. Bobby Allison's sons, Clifford and Davey, raced professionally in NASCAR. Clifford Allison raced from 1976 to 1981, while Davey Allison raced from 1983 to 1993. Both Clifford and Davey Allison were successful drivers, with Clifford winning three races and Davey winning 19 races.