AMA Superbike Championship California Speedway Fontana, California April 30 Provisional Practice Results: 1. Mat Mladin (Suz GSX-R1000) 1:24.363 2. Ben Spies (Suz GSX-R1000) 1:24.497 3. Neil Hodgson (Duc 999F06) 1:24.694 4. Jake Zemke (Hon CBR1000RR) 1:24.724 5. Ben Bostrom (Duc 999F06) 1:24.746 6. Aaron Yates (Suz GSX-R1000) 1:25.338 7. Tommy Hayden (Kaw ZX-10R) 1:25.549 8. Miguel Duhamel (Hon CBR1000RR) 1:25.878 9. Jake Holden (Suz GSX-R1000) 1:26.510 10. Jason Pridmore (Suz GSX-R1000) 1:26.618 11. Eric Wood (Suz GSX-R1000) 1:26.867 12. Jason Curtis (Suz GSX-R1000) 1:27.078 13. Larry Pegram (Hon CBR1000RR) 1:27.111 14. Matt Lynn (Suz GSX-R1000) 1:27.186 15. Jason Perez (Yam YZF-R1) 1:27.554 16. Cory West (Suz GSX-R1000) 1:27.778 17. Doug Chandler (Kaw ZX-10R) 1:27.861 18. Mark Ledesma (Hon CBR1000RR) 1:28.801 19. Martin Szwarc (Suz GSX-R1000) 1:30.666 20. David Bell (Suz GSX-R1000) 1:31.007