Chevrolet only made three of their
first purpose-built racing Corvettes, and nobody seems to know where the third SR-2 'Sebring Racer' is at the moment. If you find it, that's north of $5 million right there.
The SR-2s were created in 1956 to go bald eagle on the European race cars long before Ford got there
with the GT40. In order for America's fiberglass sports car to get to that speed, GM's Styling Studio gave it a new body, bigger brakes, better suspension and improved cooling all around as well as a stronger gearbox and a Rochester Fuel Injection system later on, seen here being tested at Daytona Speed Week in 1957: