The 1998 Miller Lite 400 was the 14th stock car race of the 1998 NASCAR Winston Cup Series season and the 30th iteration of the event. The race was held on Sunday, June 14, 1998, in Brooklyn, Michigan, at Michigan International Speedway, a two-mile (3.2 km) moderate-banked D-shaped speedway. The race took the scheduled 200 laps to complete. In the late stages of the race, Roush Racing driver Mark Martin was able to dominate to take his 26th career NASCAR Winston Cup Series victory and his fourth of the season. To fill out the podium, Robert Yates Racing driver Dale Jarrett and Hendrick Motorsports driver Jeff Gordon would finish second and third, respectively.

The 1998 Pontiac Excitement 400 was the 13th stock car race of the 1998 NASCAR Winston Cup Series season and the 44th iteration of the event. The race was held on Saturday, June 6, 1998, in Richmond, Virginia, at Richmond International Raceway, a 0.75 miles (1.21 km) D-shaped oval. The race took the scheduled 400 laps to complete. With two laps to go, Hendrick Motorsports driver Terry Labonte would make a final pass in a battle with Robert Yates Racing driver Dale Jarrett. On the fourth turn of the penultimate lap, the caution would come out for Johnny Benson Jr. Labonte was able to defend Jarrett and complete the penultimate lap to take his 20th career NASCAR Winston Cup Series victory and his only victory of the season. To fill out the podium, Jarrett and Penske-Kranefuss Racing driver Rusty Wallace would finish second and third, respectively. The event was overshadowed when Rusty Wallace completely took out Jeff Gordon in turn 2 with 29 laps to go. Gordon in his interview when asked what happened, he replied "well, that's pretty obvious you tell me you know. You got on video. I think it's pretty simple you know I uh- I had the position on him. He just drove into the left rear. I don't know what happened."