The Ford Shelby GT500KR, revealed at the 2007 New York International Auto Show, was released in the spring of 2008. The car is powered by a Modular supercharged and intercooled version of the base GT500 V8 engine now upgraded to at 6,250 rpm and at 4,500 rpm of torque with functional Cold Air Intake and unique calibration. SVT and Shelby announced that 1,000 40th Anniversary Editions would be built for the U.S. in 2008, with another 571 units in 2009. This 1,571 production run matches that of the original 1968 GT500KR. In total, 1,712 units were produced, with the remaining units going to Canada, export markets and military sales.