The 2007 Ford Mustang Shelby GT500 KR (King of the Road) is a high-performance muscle car that pays homage to Shelby's legendary racing heritage. It features a supercharged 5.4-liter V8 engine producing 540 horsepower and 510 lb-ft of torque, paired with a six-speed manual transmission, enabling impressive acceleration and top speeds. The KR version includes unique visual cues like a front splitter, rear spoiler, distinctive wheels, and Shelby branding, along with upgraded suspension and brakes for enhanced handling. Limited in production, the 2007 GT500 KR is a sought-after collector's item celebrated for its blend of raw power, aggressive styling, and Shelby's racing pedigree.