PCA - Orange Coast - Tours and Social Events on Saturday, September 19, 2026 at William R. Mason Regional Park, Irvine, Calif. - Porsche Club of America Orange Coast Region NEW MEMBER PICNIC AND BBQ Saturday September 19, 2026 WILLIAM R. MASON REGIONAL PARK 18712 University Drive Irvine, CA 92612 11:30 a.m. to 2 p.m. - Shelter ...