Well if the new 2015 Chevrolet Corvette Z06 wasn’t powerful enough, the guys from Hennessey Performance have come with an impressive upgrade, from about 750 to 1,000 horsepower. According to the tuner, key components include forged pistons and rods, a custom-built HPE camshaft and ported cylinder heads on the Z06’s 6.2-liter supercharged V8. At the exterior and interior modifications are limited to mainly aesthetic items. With its recommended $78,995 price tag, availability of the Z06 is being limited, meaning it will be hard to find one. Watch a video below to see John Hennessey talking about the 2015 Z06 Corvette at the SEMA Show in Las Vegas.