When it comes to Chevrolet Corvette tuning, Callaway is always one of the best names in business. Their latest creation with 580hp based on Corvette C6 fills the gap between the normal 500hp C6 and 630hp ZR1. However the Callaway is capable of 0-60 in 3.5 seconds and top speed pf 204 mph, which is in the ZR1 territory, but comes for a very reasonable price. The package costs only $18,900 of course plus a Corvette C6! And is still much cheaper than ZR1’s 100 grand price tag. The engine in this Callaway is a LS3 6.2 liter V8 which is fitted with a Eaton supercharger, intercooler, high flow injectors and modified air intake system. The result is 580 hp and 265 pound-feet of torque. The car comes with a three-year/36,000-mile warranty. If it is not enough for you Callaway offers another package, the C16 with 650hp.
source : Insideline