The term "Shovelhead" refers to a specific type of motorcycle engine produced by Harley-Davidson from 1966 to 1984. It is named for its distinctive shape, resembling a shovel. The Shovelhead engine is known for its V-twin configuration and has a displacement of 74 cubic inches (1,200 cc) or 80 cubic inches (1,300 cc). Shovelhead engines are celebrated for their performance and unique sound, making them popular among motorcycle enthusiasts. They were a significant evolution from the earlier Panhead engine and laid the groundwork for later models, such as the Evo engine.