Jeff Jefferson (crew chief)NASCAR K&N Pro Series East Statistics by trackClick on the Site to see this crew chief's career results at that track. View career statistics for Jeff Jefferson |
| Site | Race | Win | T5 | T10 | Pole | Laps | Led | Earnings | AvSt | AvFn | RAF | Miles | LLF |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bristol | 1 | 0 | 0 | 1 | 0 | 125 | 0 | 0.0 | 18.0 | 7.0 | 1 | 66.6 | 1 |
| Loudon | 1 | 0 | 0 | 0 | 0 | 69 | 0 | 0.0 | 13.0 | 15.0 | 1 | 73.0 | 0 |
| Millville | 1 | 1 | 1 | 1 | 0 | 55 | 42 | 0.0 | 2.0 | 1.0 | 1 | 123.8 | 1 |
| New Smyrna | 1 | 0 | 0 | 0 | 0 | 150 | 0 | 0.0 | 16.0 | 12.0 | 1 | 72.0 | 1 |
| Richmond | 2 | 0 | 0 | 0 | 0 | 154 | 0 | 0.0 | 24.5 | 33.0 | 1 | 115.5 | 0 |
| VIR | 1 | 0 | 0 | 0 | 0 | 55 | 0 | 0.0 | 15.0 | 15.0 | 1 | 123.8 | 1 |
| Watkins Glen | 5 | 1 | 3 | 5 | 0 | 221 | 35 | 0.0 | 10.8 | 4.0 | 5 | 541.5 | 5 |
| GRAND TOTAL | 12 | 2 | 4 | 7 | 0 | 829 | 77 | 0.0 | 13.9 | 11.3 | 11 | 1,116.1 | 9 |
| Speedways (2 mi. +) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0.0 | 0 |
| Speedways (1-2 mi.) | 1 | 0 | 0 | 0 | 0 | 69 | 0 | 0.0 | 13.0 | 15.0 | 1 | 73.0 | 0 |
| Short Tracks | 4 | 0 | 0 | 1 | 0 | 429 | 0 | 0.0 | 20.8 | 21.3 | 3 | 254.1 | 2 |
| Road Courses | 7 | 2 | 4 | 6 | 0 | 331 | 77 | 0.0 | 10.1 | 5.1 | 7 | 789.0 | 7 |
| Street Courses | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0.0 | 0 |
| Dirt Tracks | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.0 | 0.0 | 0 | 0.0 | 0 |