AMA Superbike Championship Presented by Parts Unlimited Auto Club Speedway Fontana, California April 25, 2008 Provisional Practice Results: 1. Mat Mladin (Suz GSX-R1000), Dunlop, 1:23.542 2. Ben Spies (Suz GSX-R1000), Dunlop, 1:24.350 3. Tommy Hayden (Suz GSX-R1000), Dunlop, 1:24.617 4. Jason DiSalvo (Yam YZF-R1), Dunlop, 1:25.026, crash 5. Jamie Hacking (Kaw ZX-10R), Dunlop, 1:25.103 6. Aaron Yates (Suz GSX-R1000), Dunlop, 1:25.154 7. Neil Hodgson (Hon CBR1000RR), Dunlop, 1:25.203 8. Eric Bostrom (Yam YZF-R1), Dunlop, 1:25.240 9. Jake Holden (Hon CBR1000RR), Dunlop, 1:25.600 * 10. Miguel Duhamel (Hon CBR1000RR), Dunlop, 1:25.794 11. Matt Lynn (Hon CBR1000RR), Dunlop, 1:26.033 12. Geoff May (Suz GSX-R1000), Dunlop, 1:26.257 * 13. Chris Peris (Suz GSX-R1000), Dunlop, 1:26.761 * 14. Ben Thompson (Suz GSX-R1000), Dunlop, 1:27.057 15. Jason Pridmore (Suz GSX-R1000), Dunlop, 1:27.184 * 16. Chris Ulrich (Suz GSX-R1000), Pirelli, 1:27.436 * 17. Robertino Pietri (Suz GSX-R1000), Pirelli, 1:27.507 * 18. Hawk Mazzotta (Suz GSX-R1000), Pirelli, 1:27.629 * 19. Scott Jensen (Suz GSX-R1000), Pirelli, 1:27.888 20. Jeremy Toye (Hon CBR1000RR), Dunlop, 1:28.285 * * = known to be riding a Superstock-spec motorcycle