| Teams for 1966 Fireball 300 |
|---|
| Car | Team | Driver | Mfg |
|---|---|---|---|
| 4 | DeWitt Racing | John Sears |  |
| 6 | Owens Racing | David Pearson |  |
| 16 | Bud Moore Engineering | Darel Dieringer |  |
| 34 | Scott Racing | Wendell Scott | |
| 40 | Yarboro Racing | Eddie Yarboro | |
| 43 | Petty Enterprises | Richard Petty |  |
| 70 | McDuffie Racing | J.D. McDuffie | |
| 77 | Harold Mays | Joel Davis | |
| 86 | Buck Baker Racing | Neil Castles | |
| 87 | Buck Baker Racing | Buck Baker |  |
| 97 | Henley Gray Racing | Ned Jarrett | |
