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This Sledgehammer reached 254.76 mph at the Transportation Research Center (TRC) in Ohio and became the world’s fastest street-legal car for some time. It was built up by Reeves Callaway in Connecticut as an example of what was possible with the new ZR1 and and turbocharging its LT5 engine. The result was a 898 bhp coupe that still retained luxuries such as air conditioning and a radio. It got this power by using a NASCAR-spec block with Mahle pistons and a massive turbo.
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 Callaway C16 was Callaway’s 16th major automotive project. It was a limited production, bespoke automobile, built to order, by what the Press called “the best specialist engineers in the business”. These cars are seriously fast, beautiful, and exclusive. The C16 was a direct competitor for the Porsche GT3, the Lamborghini Murcielago, the Ferrari 599 GTB. It was both faster and more capable than its competitors, at less cost.
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.
When Chevrolet changed gears to the LT1 engine, Callaway revealed their new SuperNatural line and the CR1 based on the ZR1’s LT5. Options for the CR1 included the radical Aerobody, German upholstery and special wheels, brakes and exhausts. The CR1 used a larger displacement to produce either 475 or 490 bhp.
The Callaway C7 was a completely new, purpose-built car designed to embody the company’s motto: “Powerfully Engineered Automobiles”, carrying on the visual tradition of design by Paul Deutschman and offered in a limited production series. The C7 was the first complete, bespoke Callaway Automobile. This sportscar was equipped with a carbon chassis, front mid engine/rear transaxle design, 650 horsepower SuperNatural engine.
To commemorate its quarter-century milestone, Callaway Cars collaborated with Chevrolet, arranging a production run of 25 uniquely prepared 2012 Corvette Grand Sport coupes and convertibles. General Motors supplied special parts and procedures on the Bowling Green production line to facilitate final assembly at Callaway factories. Then, the performance and identity components are installed by Callaway. The 25th Anniversary Edition produced 620 bhp and 555 lb-ft of torque.
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.
In 1989 Callaway introduced a Speedster which was the culmination of their styling, engineering and trimming talents. Their first example was a bright green ZR1, which had a severely chopped windscreen, no side mirrors, eighteen inch wheels and a vibrant blue leather interior stitched purposefully from Germany. Nothing about Callaway’s Speedster was reserved, and this is especially true when investigating the specification. The car had 450 horsepower.
For the 2014 model year, the Chevrolet team sculpted the seventh-generation Corvette into the most sophisticated, most feature-packed Corvette produced to date. Facing a daunting challenge, new technology enabled Callaway engineers to produce breathtaking power with seamless transition into and out of positive manifold pressure. Entirely new, Callaway’s patented GenThree supercharger design improved airflow quality and increased charge air cooling capacity.
In late 2007 Corvette Europe approached the FIA seeking approval to race a C6 Coupe in the GT4 category.  After much study the FIA approved their request.  Kroymans shipped a new 2008 C6 Z51 six-speed coupe to Callaway Competition in Leingarten, Germany. In less than six weeks the Callaway team stripped the new car of all non-essential parts including carpet and standard seats. 
1997 Callaway C12 Corvette Silver
Callaway has built a firm reputation for producing some of the most sophisticated and advanced Corvette-based automobiles. Introduced in 1998, Callaway’s C12 continued this proud legacy. Designed, developed and constructed by two top German engineering and development companies, Callaway and IVM, the C12 was intended as a bespoke, high-performance car that offered its occupants a civilized interior and relaxed ride. One of the most respected Corvette super-cars ever.
Reeves Callaway has always had a dream of competing a Corvette of his own at the 24 Hours of Le Mans, France. The idea begin with the body work for a street version, but one thing led to another, and a full race version was completed as well. The street version is almost identical to the race version because the hood, tail, rocker panels, and lower door halves, are all made of carbon fiber, just like the race version.
Offered from 1987 to 1991, the RPO-B2K upgrade was available from any Chevrolet dealer and also Callaway’s first major Corvette tuning program. Together, GM and Callaway made the upgrade package a Regular Production Order (RPO) which was the first time GM had outsourced such an option to a specialist manufacturer. It even had a factory back warranty. As the C4 updated, so did Callway’s program and by 1988, the B2K was pushing 382 bhp and 562 ft. lbs. of torque.
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.
Callaway Competition has constructed some of the most successful GT3 race cars in history. Competing against the world’s premier marques, Callaway is currently recognized as the most successful race team of the ADAC GT Masters series. To celebrate Callaway Competition’s 25th anniversary, we’re building 25 unique, specially-equipped “Callaway Champion” road cars. The Z06-based Champions are built by our expert craftsmen.
Chevrolet's introduction of the LT1 in 1992 as the base engine in the Corvette phased out the L98 based Callaway Twin Turbo. Previously, Callaway Corvettes made their increased power through positive manifold pressure; now they made it through increased displacement and finesse. Initially called the CL1 or CR1, they designated the chassis they were built upon. They were based on the pushrod LT1 cars (CL1) or the 32 valve DOHC LT5 ZR-1 cars (CR1).