Little Red is a prototype is a 1968 GT500 prototype. It is the only GT500 coupe (hardtop) built by Shelby American. Little Red is also the second GT500 to be serialized and completed. The big-block Shelby became the inspiration for the 1968 Mustang California Special.
Little Red is the second GT500 to be serialized, the only GT500 hardtop coupe built by Shelby American, and the only GT coupe that was originally ordered with dual-quad carburetors from the factory. The developmental vehicle explored many never-tried-before features such as a new bodystyle and adding a Paxton supercharger. Ultimately, it served as the archetype for the Mustang California Special, which was created under the supervision of Lee Iacocca.