AMA Superbike Championship Presented by Parts Unlimited Auto Club Speedway Fontana, California April 27, 2008 Provisional Practice Results: 1. Ben Spies (Suz GSX-R1000), Dunlop, 1:23.484 2. Mat Mladin (Suz GSX-R1000), Dunlop, 1:23.802 3. Aaron Yates (Suz GSX-R1000), Dunlop, 1:24.363 4. Tommy Hayden (Suz GSX-R1000), Dunlop, 1:24.364 5. Jason DiSalvo (Yam YZF-R1), Dunlop, 1:24.367 6. Eric Bostrom (Yam YZF-R1), Dunlop, 1:24.685 7. Neil Hodgson (Hon CBR1000RR), Dunlop, 1:24.719 8. Jamie Hacking (Kaw ZX-10R), Dunlop, 1:25.218 9. Miguel Duhamel (Hon CBR1000RR), Dunlop, 1:25.551 10. Matt Lynn (Hon CBR1000RR), Dunlop, 1:25.816 11. Geoff May (Suz GSX-R1000), Dunlop, 1:26.119 * 12. Chris Peris (Suz GSX-R1000), Dunlop, 1:27.058 * 13. Scott Jensen (Suz GSX-R1000), Pirelli, 1:27.496 14. Tim Knutson (Suz GSX-R1000), 1:29.936 15. Johnny Rock Page (Yam YZF-R1), Dunlop, 1:33.162 * = known to be riding a Superstock-spec motorcycle