Heylen, in the No. 28 RS1 Porsche 718 Cayman GT4 RS Clubsport, recorded a best time of 2:15.343 in Friday morning’s opening practice session, outpacing the No. 13 McCumbee McAleer Racing Ford Mustang ...

The one-make series will visit six premier racetracks in the United States during its third season, supporting IMSA and WEC races.