| Teams 1990 Mountain Dew 400 |
|---|
| No. | Team | Driver | Mfg |
|---|---|---|---|
| 2 | Parker Racing | L.D. Ottinger | Oldsmobile |
| 3 | Dale Earnhardt Inc. | Dale Earnhardt | Chevrolet |
| 6 | Houston Racing | Tommy Houston | Oldsmobile |
| 7 | Whitaker Racing | Harry Gant | Oldsmobile |
| 8 | Team R Racing | Bobby Dotter | Oldsmobile |
| 8 | FILMAR Racing | Bobby Hamilton | Oldsmobile |
| 9 | Falcon Racing | Ben Hess | Chevrolet |
| 11 | Ingram Racing | Jack Ingram | Chevrolet |
| 12 | Ard Motorsports | Jeff Burton | Oldsmobile |
| 16 | Day Enterprise Racing | David Green | Oldsmobile |
| 17 | Ingram Racing | Tommy Sigmon | Chevrolet |
| 22 | A.G. Dillard Motorsports | Rick Mast | Oldsmobile |
| 25 | Beverly Racing | Jimmy Hensley | Oldsmobile |
| 27 | A.G. Dillard Motorsports | Elton Sawyer | Oldsmobile |
| 30 | Bahari Racing | Michael Waltrip | Pontiac |
| 31 | Grissom Racing | Steve Grissom | Oldsmobile |
| 32 | Isenhower Racing | Dale Jarrett | Pontiac |
| 33 | Pharo Racing | Frank Fleming | Oldsmobile |
| 36 | Rusty Wallace Racing | Kenny Wallace | Pontiac |
| 41 | Mountain Racing | Jamie Aube | Oldsmobile |
| 44 | Labonte Racing | Bobby Labonte | Oldsmobile |
| 47 | Standridge Racing | Billy Standridge | Pontiac |
| 59 | Alliance Motorsports | Robert Pressley | Oldsmobile |
| 63 | Hensley Motorsparts | Chuck Bown | Pontiac |
| 77 | Huffman Racing | Morgan Shepherd | Oldsmobile |
| 85 | Moon Racing | Bobby Moon | Oldsmobile |
| 86 | Dana Patten | Dana Patten | Oldsmobile |
| 87 | NEMCO Motorsports | Joe Nemechek | Oldsmobile |
| 96 | Mark Thomas Racing | Tom Peck | Oldsmobile |
| 99 | J & J Racing | Tommy Ellis | Oldsmobile |