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This is the tale of the IMSA WeatherTech SportsCar Championship GTD PRO title fight ... Jake Galstad/Motorsport Images The No. 23 HoR Aston Martin Vantage GT3 Evo was running in the vicinity ...

IMSA Photo Matt Kurdock, IMSA technical director, has been on the BOP case for nearly a decade. This year, the series is changing up things bit in its GTD and GTD Pro classes when it comes to BOP ...