| Teams 1990 Champion Spark Plug400 |
|---|
| No. | Team | Driver | Mfg |
|---|---|---|---|
| 1 | Precision Products Racing | Terry Labonte | Oldsmobile |
| 3 | Richard Childress Racing | Dale Earnhardt | Chevrolet |
| 4 | Morgan McClure Motorsports | Ernie Irvan | Chevrolet |
| 5 | Hendrick Motorsports | Ricky Rudd | Chevrolet |
| 6 | Roush Racing | Mark Martin | Ford |
| 7 | AK Motorsports | Alan Kulwicki | Ford |
| 8 | Stavola Brothers Racing | Bobby Hillin, Jr. | Buick |
| 9 | Melling Racing | Bill Elliott | Ford |
| 10 | Bob Whitcomb Racing | Derrike Cope | Chevrolet |
| 11 | Junior Johnson and Associates | Geoffrey Bodine | Ford |
| 12 | Bobby Allison Motorsports | Hut Stricklin | Buick |
| 15 | Bud Moore Engineering | Morgan Shepherd | Ford |
| 17 | Hendrick Motorsports | Greg Sacks | Chevrolet |
| 19 | Little Racing | Chad Little | Ford |
| 20 | Moroso Performance | Rob Moroso | Oldsmobile |
| 21 | Wood Brothers Racing | Dale Jarrett | Ford |
| 22 | US Racing | Rick Mast | Pontiac |
| 25 | Hendrick Motorsports | Ken Schrader | Chevrolet |
| 26 | King Racing | Brett Bodine | Buick |
| 27 | Blue Max Racing | Rusty Wallace | Pontiac |
| 28 | Yates Racing | Davey Allison | Ford |
| 30 | Bahari Racing | Michael Waltrip | Pontiac |
| 33 | Leo Jackson Motorsports | Harry Gant | Oldsmobile |
| 35 | Cathy Venturini | Bill Venturini | Chevrolet |
| 42 | Team Sabco | Kyle Petty | Pontiac |
| 43 | Petty Enterprises | Richard Petty | Pontiac |
| 47 | Derike Close Racing | Jack Pennington | Pontiac |
| 48 | Winkle Motorsports | Ben Hess | Pontiac |
| 50 | Ted Musgrave Racing | Ted Musgrave | Chevrolet |
| 52 | Jimmy Means Racing | Jimmy Means | Pontiac |
| 57 | Osterlund Racing | Jimmy Spencer | Pontiac |
| 66 | Cale Yarborough Motorsports | Dick Trickle | Pontiac |
| 68 | TriStar Motorsports | Mike Chase | Pontiac |
| 71 | Marcis Auto Racing | Dave Marcis | Chevrolet |
| 75 | RahMoc Entrprises | Rick Wilson | Oldsmobile |
| 77 | Branch-Ragan Racing | Ken Ragan | Ford |
| 89 | Mueller Brothers Racing | Rodney Combs | Pontiac |
| 90 | Donlavey Racing | Buddy Baker | Ford |
| 91 | Edward Cooper | Edward Cooper | Oldsmobile |
| 94 | Hagan Racing | Sterling Marlin | Oldsmobile |
| 98 | Travis Carter Enterprises | Butch Miller | Chevrolet |