Champion Racing Oil Named Title Sponsor of 2019 Interstate Sprint Car SpeedWeek
"The Interstate Sprint Car Series is a regional touring Winged Sprint Car series in the Pacific Northwest", states Karl Dedolph, Director of Champion Racing and Performance Division. "A major highlight of the 2019 season will be Speedweek from August 12th to August 17th. It will feature six races in six nights at five different race tracks".
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