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Sprint Challenge North America: USAC-Sanctioned Series Joins Porsche Motorsport One-Make Pyramid.

Porsche Motorsport North America (PMNA) further strengthens its Motorsport Pyramid on the continent with the announcement of the Porsche Sprint Challenge North America by Yokohama. Following the September 25 unveiling of the Porsche Carrera Cup North America as the premier one-make championship in the United States and Canada, the new series, which will utilize previous … Continue reading

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