The 1999 California 500 Presented by NAPA was a NASCAR Winston Cup Series race held on May 2, 1999, at California Speedway in Fontana, California. Contested at 250 laps on the 2-mile (3.2 km) speedway, it was the 10th race of the 1999 NASCAR Winston Cup Series season. Jeff Gordon of Hendrick Motorsports won the race.