	The 2004 Pop Secret 500 was a NASCAR Nextel Cup Series stock car race held on September 5, 2004 at California Speedway in Fontana, California. Contested over 250 laps on the 2-mile (3.23 km) asphalt D-shaped oval, it was the twenty-fifth race of the 2004 NASCAR Nextel Cup Series. Elliott Sadler of Robert Yates Racing won the race.