Pirelli GT3 Cup Trophy USA West has entered its fourth year as official tire supplier and title sponsor of the Pirelli GT3 Cup Trophy USA West racing series.
Pirelli GT3 Cup Trophy USA West is the premier point of Porsche Club racing in the United States, featuring Porsche 997 and 996 GT3 Cup Cars with the objective to create competitive seat time to further educate and develop each driver's race craft.
The level of mentoring and professional coaching offered by Pirelli GT3 Cup Trophy USA West during the race weekends is not available at any other club or post level events.
PTNA Motorsport supplies drivers in the series with Pirelli P Zero Racing Slicks and Racing Rain tires.
Auto Club Speedway of California
Miller Motorsports Park