Repsol Lubricants AMA Superstock Championship Barber Motosports Park Birmingham, Alabama April 22 Provisional Practice Times: 1. Chris Ulrich (Suz GSX-R1000) 1:36.274 2. Josh Hayes (Hon CBR1000RR) 1:36.368 3. Aaron Yates (Suz GSX-R1000) 1:37.930 4. Aaron Gobert (Hon CBR1000RR) 1:39.638 5. Ben Attard (Kaw ZX-10R) 1:40.686 6. Robert McLendon (Suz GSX-R1000) 1:43.266 7. Barry Teasdale (Suz GSX-R1000) 1:44.576 8. Jake Holden (Suz GSX-R1000) 1:44.620 9. Michael Sanchez (Suz GSX-R1000) 1:46.044 10. Kenny Rodriguez (Yam YZF-R1) 1:46.755 11. B. West 1:49.129 12. Fernando Amantini (Kaw ZX-10R) 1:51.185 13. C.R. Gittere (Suz GSX-R1000) 1:58.309 14. Dominic Jones (Suz GSX-R1000) 2:25.152