The 1994 AC Delco 500 was the 29th stock car race of the 1994 NASCAR Winston Cup Series season and the 30th iteration of the event. The race was held on Sunday, October 23, 1994, in Rockingham, North Carolina, at North Carolina Speedway, a 1.017 miles (1.637 km) permanent high-banked racetrack. The race took the scheduled 492 laps to complete. In the final laps of the race, Richard Childress Racing driver Dale Earnhardt would manage to defend against Precision Products Racing driver Rick Mast to take his 63rd career NASCAR Winston Cup Series victory and his fourth and final victory of the season. To fill out the top three, the aforementioned Rick Mast and Wood Brothers Racing driver Morgan Shepherd would finish second and third, respectively.

The Pop Secret Microwave Popcorn 400 was a NASCAR Winston Cup Series event that took place in November at the North Carolina Motor Speedway from 1965 to 2003. It was the first NASCAR Cup Series victory for three drivers including Mark Martin in 1989, Ward Burton in 1995, and Johnny Benson in 2002. It was the final race win for Bill Elliott in 2003.