DAYTONA BEACH, Fla. -- NASCAR Craftsman Truck Series crew chief Bob Keselowski, team owner Key Keselowski and driver Terry Cook were penalized Thursday for a technical violation discovered after the Feb. 15 season-opener at Daytona International Speedway.

The crew chief was fined $10,000, while the owner and driver were each hit with the loss of 100 championship points. Cook finished sixth in the race, accumulating 160 points.

NASCAR did not give specifics of the violation, but said the team used an engine cylinder head exhaust port location that did not conform to the rules.