The 1998 Pep Boys 400K was the sixth round of the 1998 Indy Racing League. The race was held on July 19, 1998 at the 1.000 mi (1.609 km) Dover Downs International Speedway in Dover, Delaware. It was the second Indy car race held at this track, and the first since the 1969 Delaware 200.
Buzz Calkins for Bradley Motorsports - after losing an engine on practice, his team decided to sit out for the weekend and also to withdraw for the next event at Charlotte to regain competitiveness.
Robbie Buhl for Team Menard - withdrawn prior to the start of practice by his team as a protest after John Menard accused A. J. Foyt of "skullduggery" during qualifying at New Hampshire.[1] He was also withdrawn for the Charlotte race.
J. J. YeleyR for - withdrawn prior to the start of practice by his team in support of Menard's protest.
Stan Wattles for - the team withdrew prior to the start of practice to concentrate on its testing programme.