The all-new SRT Viper and Viper GTS were unveiled on Wednesday 4 April 2012 at the New York International Automobile Show. Here are the essentials:

• An all-aluminum, mid-engine 8.4-liter V-10 delivers an estimated 640 horsepower and 600 lb.-ft. of torque--the most torque of any naturally aspirated sports car engine in the world

• Chassis enhancements bring 50 percent improvement in torsional stiffness

• Triple-digit weight reduction results in Viper best power-to-weight ratio

• Standard safety features include electronic multistage stability control, traction control, and new four-channel anti-lock brake system

• All-new, innovative interior designs set new standards with premium materials, new technologies, and superior craftsmanship

• All-new carbon-fiber and aluminum skin is sculpted for high-speed stability and a slippery .364 drag coefficient

At its New York introduction, Ralph Gilles, president and CEO of Street and Racing Technology Brand and Motorsports at the Chrysler Group, had a few things to say about the fifth generation of the legendary