Jack JefferyNASCAR K&N Pro Series West Results (Yakima Speedway)(1970-present only) Click on the Race to see the complete results for that race. |
| Race | Site | Cars | St | Fin | # | Sponsor / Owner | Car | Laps | Money | Status | Led |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1968-14 | Yakima | 18 | – | 16 | 22 | Jack Jeffery | Dodge | 24/100 | 0 | mechanical | 0 |
| 1972-07 | Yakima | 22 | 14 | 22 | 22 | – | Dodge | 14/150 | 100 | crash | 0 |
| 1973-19 | Yakima | 24 | 8 | 14 | 22 | Jefferies Racing (P.A. Campbell) | Dodge | 96/100 | 150 | crash | 0 |
| 1978-09 | Yakima | 23 | 2 | 6 | 14 | Bowers Machine (Dick Bowman) | Pontiac | 100/100 | 425 | running | 0 |
| 1978-19 | Yakima | 22 | 10 | 8 | 4 | Bowers Machine (Dick Bowman) | Pontiac | 99/100 | 360 | running | 0 |
| 1979-05 | Yakima | 21 | 10 | 21 | 07 | Jack Jeffrey | Pontiac | 1/100 | 150 | fuel pump | 0 |
6 starts, 334 of 650 laps completed (51.4%), 0 laps led Win: 0 ( 0.0%) Average start: 8.8 Total Winnings: $1,185 Top 5: 0 ( 0.0%) Average finish: 14.5 Top 10: 2 ( 33.3%) DNF: 4 |