Power: SAE certified 638hp @ 6500. Torque: SAE-certified 604 lb.-ft. @ 3800. We'll send you one email per day with the latest GM news. It's totally free.
14 May 2008638 Hp from the Supercharged LS9 V-8Dubai, United Arab Emirates - When it was introduced at the North American International Auto Show in Detroit earlier this year, the 2009 Chevrolet ...
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