Team Roadracingworld.com Suzuki backed up their first-ever AMA Superstock podium finish a week earlier at Barber Motorsports Park with another tremendous showing this weekend at Auto Club Speedway in Fontana, CA. Robertino Pietri scored his best finish of the season and equaled the best of his AMA career by finishing fourth in the AMA Superstock race aboard his Pirelli-shod GSX-R1000. Meanwhile, teammate Chris Ulrich fought up from outside the top ten to take seventh in the race and hold down third in the 2008 points race.