Justin Bonsignore
| Justin Bonsignore | |||||||
|---|---|---|---|---|---|---|---|
Bonsignore in 2021 | |||||||
| Born | Justin R. Bonsignore February 3, 1988 Holtsville, New York, U.S. | ||||||
| NASCAR Whelen Modified Tour career | |||||||
| Debut season | 2007 | ||||||
| Current team | Kenneth Massa Motorsports | ||||||
| Years active | 2007–present | ||||||
| Car number | 51 | ||||||
| Crew chief | Ryan Stone | ||||||
| Starts | 242 | ||||||
| Championships | 4 | ||||||
| Wins | 48 | ||||||
| Poles | 39 | ||||||
| Best finish | 1st in 2018, 2020, 2021 and 2024 | ||||||
| Finished last season | 2nd (2025) | ||||||
| Championship titles | |||||||
| 2018, 2020, 2021, 2024 NASCAR Whelen Modified Tour Champion | |||||||
| NASCAR O'Reilly Auto Parts Series career | |||||||
| 10 races run over 2 years | |||||||
| 2025 position | 36th | ||||||
| Best finish | 36th (2025) | ||||||
| First race | 2024 SciAps 200 (New Hampshire) | ||||||
| Last race | 2025 NASCAR Xfinity Series Championship Race (Phoenix) | ||||||
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| ARCA Menards Series career | |||||||
| 1 race run over 1 year | |||||||
| Best finish | 114th (2024) | ||||||
| First race | 2024 Hard Rock Bet 200 (Daytona) | ||||||
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| Statistics up to date as of February 7, 2026. | |||||||
Justin R. Bonsignore (born February 3, 1988) is an American professional stock car racing driver. He competes full-time in the NASCAR Whelen Modified Tour, driving the No. 51 Chevrolet for Kenneth Massa Motorsports He has also competed in the NASCAR Xfinity Series, having previously driven the Nos. 18/19 Toyota GR Supras for Joe Gibbs Racing.