NEW FOR 2009 Supercharged 6.2L engine rated at 638 hp (476 kW) Upgraded six-speed manual transmission with dual-disc clutch technology Brembo carbon-ceramic four-wheel disc brakes Twenty-spoke 19-inch (front) and 20-inch (rear) wheels in Sterling Silver or chrome ZR1-specific Michelin Pilot Sport 2 tires ZR1-specific design features, including wider, carbon-fiber dual-port front fenders; carbon-fiber raised hood
