Released in 1966, the Shovelhead was meant to offer better ... It was destined for the new Harley-Davidson V-Rod, a street bike unlike anything else from the company. Its 120-horsepower output ...

The importance of the Evolution engine to Harley-Davidson cannot be understated. After the lack of reliability of the Shovelhead ... of engines that powered the Street series, and the Revolution ...

Harley-Davidson's Twin Cam 103 and Milwaukee Eight 107 engines have their similarities, but there are some important ...