Pit Boss Grills will be the Primary Marketing Partner on the MBM Motorsports #66 this weekend at the ISM Speedway in the Fanshield 500. “We are extremely excited to partner with a great team this weekend at ISM Raceway,” said Jeff Thiessen, president of Pit Boss Grills. “We can’t wait to see the Pit Boss #66 Car brought to life and competing in front of our loyal Pit Boss Nation.”