| Teams for 1973 Winston Western 500 |
|---|
| No. | Team | Driver | Mfg |
|---|---|---|---|
| 1 | Carl Dane | Clem Proctor |  |
| 2 | Marcis Auto Racing | Dave Marcis |  |
| 02 | Mike Ober | Dick Bown | |
| 3 | J.A. Delvecchio | John Soares, Jr. | |
| 03 | Bown Racing | Chuck Bown | |
| 04 | Beryl Jackson | Hershel McGriff |  |
| 7 | Ernie Conn | Jack McCoy | |
| 9 | Richard Mummert | Carl Adams | |
| 10 | Champion Racing | Bill Champion | |
| 11 | Howard & Egerton Racing | Cale Yarborough |  |
| 12 | Bobby Allison Motorsports | Bobby Allison | |
| 15 | Bud Moore Engineering | Bobby Isaac | |
| 16 | Penske Racing | Mark Donohue | AMC Matador |
| 19 | Henley Gray Racing | Henley Gray |  |
| 21 | Wood Brothers Racing | David Pearson | |
| 24 | Gordon Racing | Cecil Gordon | |
| 24 | Dean Barnicle | Richard White | |
| 30 | Ballard Racing | Walter Ballard | |
| 33 | Trent Francis | Glenn Francis | |
| 38 | Roger Paquette | Jimmy Insolo | |
| 41 | Holman-Moody Racing | Bobby Unser | |
| 43 | Petty Enterprises | Richard Petty | |
| 46 | Roger Bracken | John Hren | |
| 48 | Hylton Engineering | James Hylton | |
| 60 | Jim Whitt | Jim Whitt | |
| 64 | Langley Racing | Elmo Langley | |
| 68 | Jerry Lankford | Sonny Easley | |
| 70 | McDuffie Racing | J.D. McDuffie | |
| 71 | K&K Racing | Buddy Baker | |
| 72 | DeWitt Racing | Benny Parsons | |
| 77 | Charlie Roberts | Charlie Roberts | |
| 78 | Hugh Pearson | Hugh Pearson | |
| 89 | Adams Racing | Gerald Thompson |  |
| 91 | Don Nuzum | Johnny Anderson | |
| 95 | Paul Stockwell | Bob Kauf | |
| 96 | Elder Racing | Ray Elder | |
| 97 | Jefferson Racing | Harry Jefferson | |
