The Z06 comes with a 6.2 L (376 cu in) supercharged and intercooled LT4 V8 engine with Rotocast A356T6 aluminum cylinder heads and a 1.7-liter Eaton R1740 TVS Supercharger, which generates 650 hp (659 PS; 485 kW) at 6,400 rpm and 650 lb⋅ft (881 N⋅m) at 3,600 rpm of torque, giving the Z06 a top speed of 185 mph (298 km/ …
Source: chevycorvette.com