| Race details | |
|---|---|
| 6th round of the 1998 Indy Racing League season | |
 | |
| Date | July 19, 1998 |
| Official name | Pep Boys 400K |
| Location | Dover Downs International Speedway |
| Course | Permanent racing facility 1.000 mi / 1.609 km |
| Distance | 248 laps 248.000 mi / 399.032 km |
| Pole position | |
| Driver | Tony Stewart (Team Menard) |
| Time | 19.438 |
| Fastest lap | |
| Driver | Greg Ray (A. J. Foyt Enterprises) |
| Time | 19.622 (on lap unknown out of 248) |
| Podium | |
| First | Scott Sharp (Kelley Racing) |
| Second | Buddy Lazier (Hemelgarn Racing) |
| Third | Marco Greco (Phoenix Racing) |
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.