Derhaag Motorsports is a professional sports car racing team. Founded by former driver Jim Derhaag, the team currently competes in the Trans-Am Series. The team formerly competed in the Grand-Am Rolex Sports Car Series, using Pontiac engines and chassis from Riley Technologies. It is sponsored by Preformed Line Products. Drivers Randy Ruhlman Ron Fellows Justin Bell Paul Dallenbach Chris Bingham External links Official website Grand American Road Racing Association teams American auto racing teams