April 5 @ 8:00 am – 5:00 pm PDT PCA Diablo Region DE at Thunderhill Thunderhill Raceway 5250 CA-162, Willows, California, United States This event is open to all Porsche drivers. Only Porsche cars are allowed at this event. We are a Porsche club, not a driving school or a driving business. We run several safe, […] $50.00