Hamilton over Raikkonen at Valencia
The extended four-day session ended in Spain with cold but dry conditions, and Hamilton's best at the wheel of the new McLaren was seven tenths quicker than the Ferrari driven by Kimi Raikkonen.
BMW, Renault, Red Bull and Honda also tested on Friday.
F1's winter action resumes at Jerez next week, where a second 'F2007' will be occupied by Raikkonen's teammate Felipe Massa.
1. L. Hamilton – McLaren Mercedes MP4-22 – 1:11.119 (+ 0.000 ) – 112 laps
2. K. Raikkonen – Ferrari F2007 – 1:11.855 (+ 0.736 ) – 112 laps
3. R. Kubica – BMW Sauber F1.07 – 1:12.242 (+ 1.123 ) – 57 laps
4. P. de la Rosa – McLaren Mercedes MP4-22 – 1:12.455 (+ 1.336 ) – 64 laps
5. G. Fisichella – Renault R27 – 1:12.572 (+ 1.453 ) – 96 laps
6. S. Vettel – BMW Sauber F1.07 – 1:12.675 (+ 1.556 ) – 73 laps
7. H. Kovalainen – Renault R27 – 1:12.679 (+ 1.560 ) – 98 laps
8. M. Webber – Red Bull Renault RB3 – 1:12.776 (+ 1.657 ) – 23 laps
9. J. Button – Honda RA107 – 1:12.995 (+ 1.876 ) – 89 laps.
* Times courtesy of Valencia.