The 1990 First Union 400 was the seventh stock car race of the 1990 NASCAR Winston Cup Series season and the 40th iteration of the event. The race was held on Sunday, April 22, 1990, in North Wilkesboro, North Carolina at the North Wilkesboro Speedway, a 0.625 miles (1.006 km) oval short track. The race took the scheduled 400 laps to complete. At race's end, King Racing driver Brett Bodine would benefit from a late race caution and pull away in the late stages of the race to take his first and only career NASCAR Winston Cup Series victory and his only victory of the season. To fill out the podium, Hendrick Motorsports driver Darrell Waltrip and Richard Childress Racing driver Dale Earnhardt would finish second and third, respectively.