Trevor Boys NASCAR Cup Series results at North Wilkesboro
| Year | Race # | Start | Finish | Car # | Sponsor | Engine | Owner | Crew Chief | Qualifying Speed | Laps | X Led | Laps Led | Status | Money | Points | 
| 1983 | 26 | 24 | 19 | 48 | Hylton-McCaig | Chevrolet | Hylton |  |  | 388 | 0 | 0 | running | 2100 | 106 | 
| 1984 | 6 | 27 | 17 | 48 | Jim Testa Chevrolet | Chevrolet | Hylton |  |  | 392 | 0 | 0 | running | 3430 | 112 | 
| 1984 | 27 | 25 | 27 | 48 | Hylton-McCaig | Chevrolet | Hylton |  |  | 324 | 0 | 0 | running | 2505 | 82 | 
| 1985 | 24 | 23 | 22 | 49 | Hylton Racing | Chevrolet | Hylton |  |  | 373 | 0 | 0 | running | 2680 | 97 | 
| 1986 | 7 | 27 | 30 | 6 | U.S. Racing | Chevrolet | Ulrich |  |  | 85 | 0 | 0 | accident | 2335 | 73 | 
| 1986 | 25 | 23 | 29 | 48 | Fleet Service | Chevrolet | Hylton |  |  | 17 | 0 | 0 | oil leak | 3035 | 76 | 
| 1987 | 25 | 32 | 24 | 64 | Sunny King Ford | Ford | Langley |  |  | 386 | 0 | 0 | running | 3445 | 0 |