Harry Jefferson NASCAR Cup statistics at Ontario
Back to Harry Jefferson career stats
| Year | Race # | Driver | Start | Finish | Car # | Sponsor | Engine | Crew Chief | Qualifying Speed | Laps | X Led | Laps Led | Status | Money | Points |
| 1977 | 30 | Harry Jefferson | 34 | 18 | 95 | Jefferson Racing | Ford | 195 | 0 | 0 | running | 1600 | 109 |
