AMA Superbike Championship Presented by Parts Unlimited California Speedway Fontana, California April 29, 2007 Provisional Practice Results: 1. Mat Mladin (Suz GSX-R1000), Dunlop, 1:23.664 2. Ben Spies (Suz GSX-R1000), Dunlop, 1:23.809 3. Eric Bostrom (Yam YZF-R1), Dunlop, 1:24.259 4. Jake Zemke (Hon CBR1000RR), Dunlop, 1:24.348 5. Jake Holden (Suz GSX-R1000), Dunlop, 1:24.717 6. Miguel Duhamel (Hon CBR1000RR), Dunlop, 1:24.782 7. Aaron Yates (Suz GSX-R1000), Dunlop, 1:24.832 8. Jamie Hacking (Kaw ZX-10R), Dunlop, 1:24.928 9. Tommy Hayden (Suz GSX-R1000), Dunlop, 1:24.981 10. Roger Hayden (Kaw ZX-10R), Dunlop, 1:25.179 11. Jason DiSalvo (Yam YZF-R1), Dunlop, 1:25.241 12. James Ellison (Hon CBR1000RR), Dunlop, 1:26.216 13. Matt Lynn (MV Agusta F4-1000R 312), Dunlop, 1:26.267 14. Luca Scassa (MV Agusta F4-1000R 312), Dunlop, 1:26.306 15. Doug Chandler (Hon CBR1000RR), Dunlop, 1:26.319 16. Martin Cardenas (Kaw ZX-10R), Pirelli, 1:27.104 17. David Weber (Suz GSX-R1000), Dunlop, 1:28.383 18. Kurtis Roberts (Hon CBR1000RR), Dunlop, 1:28.622 19. Scott Jensen (Suz GSX-R1000), Dunlop, 1:28.670 20. Dean Mizdal (Suz GSX-R1000), Dunlop, 1:30.665 21. Dominic Jones (Suz GSX-R1000), 1:30.837 22. Johnny Rock Page (Yam YZF-R1), Dunlop, 1:30.865