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Chevrolet today unveiled the hottest Camaro ever at the Chicago Auto Show, a 550-horsepower hardtop that’s packed with performance technology and revives one of the most famous names in Chevy performance history: ZL1.

Ed Welburn, vice president of Global Design, introduced the Camaro ZL1 at the Chicago Auto Show. (Photo: Chevrolet)

Chevy calls its 2012 Camaro ZL1 “the highest-performing Camaro and the most technically advanced car ever developed in its class,” featuring high-technology chassis and suspension for track-ready handling, Brembo braking that complements the engine power and extensive aerodynamic features for high-speed driving.

The ZL1 name comes from the all-aluminum racing engine developed in the late 1960s that was installed in just 69 regular-production 1969 Camaros, which have become the Holy Grail for GM-muscle-car collectors.

The modern ZL1 uses a 6.2-liter supercharged aluminum V8 that produces 550 horsepower coupled with a six-speed manual transmission with a dual-disc clutch system.

“It’s the most technically advanced Camaro ever, so we’ve chosen a name from the most elite and exclusive Camaro in history,” said Rick Scheidt, vice president of Chevrolet marketing.

The Camaro ZL1 is still undergoing advanced testing and development by performance engineers with a product launch planned for early 2012. Key performance figures and pricing will be available later this year.

ZL1's interior features front seats with microfiber suede inserts, a redesigned steering wheel, alloy pedals, head-up display and “four-pack” auxiliary gauge system with boost readout. (Photo: Chevrolet)

Ed Welburn, vice president of Global Design, introduced the Camaro ZL1 today at the Chicago show, pointing out the design features that specifically enhance performance rather than just aesthetics, including its new front fascia and hood with air extractors, designed to create aerodynamic down force.

“Everything about the ZL1’s design is directly related to its technology and serious performance, especially aerodynamics,” said Ed Welburn, vice president, Global Design. “Our designers’ goal was to execute that function-oriented design with beautifully sculpted forms, creating an imposing, powerful persona. Function becomes the aesthetic. The intent is a car that delivers on the attitude it projects.”

Among the special styling features are a signature center hood section constructed of carbon fiber with a satin black finish, new rocker panels, wide performance tires, 20-inch wheels, styled exhaust tips and ZL1 badges on the grille, hood and brake calipers.