1991 Champion Spark Plug 400 from Michigan International Raceway | NASCAR Classic Full Race Replay

The 1991 Champion Spark Plug 400 at Michigan International Speedway was a high-speed showcase of aerodynamic drafting that culminated in one of the most breathtaking displays of door-to-door racing in NASCAR history. As the field thundered off the final turn toward the checkered flag, the two leaders were so tightly bunched that the margin of victory was measured in a fraction of a second.