Petaluma Speedway welcomes Carr Racing Chassis as the Modified Division Series Sponsor for the 2012 season. Carr Racing Chassis has been an industry leader for 35 years in oval track, road racing, and drag racing with multiple championships in each discipline. Carr Racing Chassis specializes in modifieds but also does fabrication and repair for all types of race cars. Locally operated at 1330 Commerce Street in Petaluma. Their phone # is (707) 481-7416. Welcome aboard.