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The 2005-2013 Callaway Corvette was a specialist version of the C6 Corvette, built by Callaway Cars expert craftsmen and sold through selected Callaway/Chevrolet dealers. The 17th “C-Project” undertaken by Callaway first produced naturally-aspirated SuperNatural™ 450, 461, 490 (6.0L) and 550 (6.8L & 7.0L) horsepower Callaway Corvettes. In February 2006, Callaway returned to its positive manifold pressure roots, introducing Callaway “SuperCharged” Corvettes.
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.
The Duntov Turbo was built as a partnership between American Custom Industries (ACI), a company known for building replacement Corvette body panels, and Zora Arkus-Duntov. It was developed as a highly-stylized convertible sports car based on the production model Corvette. Each of the special Duntov Turbo's also came with a turbocharged V8.
As early as the late 1990's, San Francisco based coach-builder SV Motor Company envisioned a car that took the raw performance of a Corvette and refined it with a touch of Italian flair.  Their vision was to infuse many of the design elements found in the Alfa Romeo 8C Competizione (from which the SV 9 clearly drew its inspiration, as well as its name) with a 2009 Chevy Corvette.
The Specialty Engineering Group (SVE) has partnered with Chevy to create the 2019 Yenko/SC Corvette Stage II. This new Corvette, which is the creation of Specialty Vehicles Engineering in cooperation with Chevrolet, delivers an incredible 1000 horsepower and 875 lb-ft of torque. Better yet, it's an option that you can order from your local Chevy dealership.