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 540 horsepower 5.4-liter (330 CID) supercharged V-8 variation with a Ford Racing Power Upgrade Pack. SVT and Shelby announced that 1,000 40th Anniversary Editions will 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, 1,746 units will be produced, with the extra 175 units going to other markets.