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The 25th Anniversary Edition is a hardened up version of Callaway's Corvette SC757, which in turn is based on a C7-generation Corvette Z06. It features a supercharged V8 that pumps out 757-horsepower and 777 pound-feet of torque. The supercharger is a GenThree Callaway unit with the company's TripleCooled intercooler system. A high-flow intake system feeds that beast. Callaway's Level Two HD Cooling System also helps it avoid the overheating issues that plagued C7 Z06s.
The "Asteroid" started life as a 1963 Chevy Corvette.  It was ordered by mechanical engineer and renowned mid-century speed boat racer Bob Nordskog, sans any exterior paint save for a primer coat.  Instead, the car was shipped directed to Barris Kustoms with instructions for Barris to transform the brand-new Corvette into a more radical version of itself.
When one of his cars was severely damaged in 1972, John Greenwood converted his 1969 L88 Convertible into a formidable race car. Included as the formidable ZL1 engine with 750 bhp on tap. Other modifications included a rear spoiler, quick replacement radiator and camber adjusters. At Le Mans, this car set the GT-class record for top speed down the Le Mans straight with 215 mph.
In the tradition of coach built shooting brakes, Callaway offers the AeroWagen for any version of the C7 Corvette Coupe. Its components can be fitted to the standard production C7, the Callaway SC627 Stingray or Grand Sport, or the Callaway SC757 Z06. The AeroWagen hatch assembly is a part-for-part replacement of the original equipment Corvette rear hatch, using the original hardware and latching mechanisms. It operates in an identical fashion.
The offspring of collaboration between Corvette performance guru Reeves Callaway and designer Paul Deutschman, the Super Speedster LM is an astonishing step up on the original Speedster, taking full advantage of the ZR1’s Lotus-engineered, all-aluminum DOHC engine and 6-speed manual transmission. One of only three twin turbocharged and intercooled LT5 engines built by Callaway, it delivers a pavement-shredding 766 HP.