| Teams 1972 Michigan Motor State 400 |
|---|
| No. | Team | Driver | Mfg |
|---|---|---|---|
| 0 | Bobby Mausgrover | Bobby Mausgrover | Dodge |
| 2 | Marcis Auto Racing | Bill Seifert | Dodge |
| 4 | J. Marvin Mills | John Sears | Plymouth |
| 5 | Faustina Racing | Doc Faustina | Plymouth |
| 5 | McGee Racing | David Sisco | Chevrolet |
| 6 | Castle Racing | Neil Castles | Dodge |
| 7 | Dalton Racing | Dean Dalton | Mercury |
| 8 | Negre Racing | Ed Negre | Dodge |
| 9 | James Ruggles | Pete Hamilton | Plymouth |
| 10 | Champion Racing | Bill Champion | Mercury |
| 12 | Howard & Egerton Racing | Bobby Allison | Chevrolet |
| 15 | Bud Moore Engineering | Donnie Allison | Ford |
| 18 | Frasson Racing | Joe Frasson | Dodge |
| 21 | Wood Brothers Racing | David Pearson | Mercury |
| 24 | Gordon Racing | Cecil Gordon | Mercury |
| 25 | Robertson Racing | Jabe Thomas | Plymouth |
| 26 | Brooks Racing | Earl Brooks | Ford |
| 30 | Vic Ballard | Walter Ballard | Mercury |
| 32 | Dick Brooks Racing | Johnny Halford | Plymouth |
| 43 | Petty Enterprises | Richard Petty | Dodge |
| 45 | Siefert Racing | LeeRoy Yarbrough | Mercury |
| 47 | Williams Racing | Raymond Williams | Ford |
| 48 | Hylton Engineering | James Hylton | Ford |
| 53 | Hopper-Crews Racing | Dick May | Ford |
| 64 | Langley Racing | Elmo Langley | Ford |
| 67 | Arrington Racing | Buddy Arrington | Dodge |
| 70 | McDuffie Racing | J.D. McDuffie | Chevrolet |
| 71 | K&K Racing | Bobby Isaac | Dodge |
| 72 | DeWitt Racing | Benny Parsons | Mercury |
| 74 | Shirey Racing | Bill Shirey | Plymouth |
| 76 | Ben Arnold | Ben Arnold | Ford |
| 77 | Roberts Racing | Charlie Roberts | Ford |
| 79 | Warren Racing | Frank Warren | Dodge |
| 87 | Hammer Mason | Dave Marcis | Mercury |
| 88 | Lubinski Racing | Ron Keselowski | Dodge |
| 89 | Jack Mercer | Les Covey | Chevrolet |
| 90 | Donlavey Racing | Dick Brooks | Ford |
| 91 | Acton Racing | Richard D. Brown | Chevrolet |
| 92 | Harley Smith | Larry Smith | Ford |
| 96 | Warren Racing | Richard Childress | Plymouth |