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| NASCAR Cup Series | |
|---|---|
| Venue | Auto Club Speedway |
| Location | Fontana, California, United States |
| Corporate sponsor | Pala Casino Resort and Spa |
| First race | 1997 |
| Last race | 2023 |
| Distance | 400 miles (643.737 km) |
| Laps | 200 (Stages 1/2: 60 each Final stage: 80) |
| Previous names | California 500 Presented by NAPA (1997–1999) NAPA Auto Parts 500 (2000–2002) Auto Club 500 (2003–2010) Auto Club 400 (2011–2020) WISE Power 400 (2022) |
| Most wins (driver) | Kyle Busch (4) |
| Most wins (team) | Hendrick Motorsports (8) |
| Most wins (manufacturer) | Chevrolet (13) |
| Circuit information | |
| Surface | Asphalt |
| Length | 2.0 mi (3.2 km) |
| Turns | 4 |
The Pala Casino 400 was a 400-mile (643.737 km) NASCAR Cup Series stock car race held at the Auto Club Speedway in Fontana, California. It was the second race of the Cup Series season (after the Daytona 500) during its final years as well as from 2005 to 2010.