The Knucklehead, Panhead, and Shovelhead are all important parts of Harley-Davidson history, each preceding the one before it as the engines developed.

Throughout the history of motorized vehicles, a number of engines have become famous for being the best of their generation. Even motorcyclists have heard of a Chevy 427 small block V8, the engine of ...

Just like its illustrious predecessors, the Panhead engine that powered Harley-Davidson motorcycles between 1948 and 1965 is the stuff of legends. So much so that shops across the world would stop at ...