The Screamin' Eagle Stage IV Performance Crate Engine is, in Harley-Davidson's own words, "the biggest, most powerful street-compliant crate performance engine Harley-Davidson has ever created." And ...

VINTAGE - There are 5 condition grades for Harley-Davidson. There are many options that may affect the final value on Harley-Davidson motorcycles such as multi-speed transmissions, clutch assembly, ...

VINTAGE - There are 5 condition grades for Harley-Davidson. There are many options that may affect the final value on Harley-Davidson motorcycles such as multi-speed transmissions, clutch assembly, ...

In 2005, to commemorate the 15th birthday of the Fat Boy, the maker launched a special edition model named Harley-Davidson's 15th Anniversary Fat Boy, fitted with a Screamin' Eagle engine ...

The 2016 Harley-Davidson Softail Fat Boy S stands out as ... incorporating modern performance enhancements. Powered by the Screamin' Eagle Twin Cam 110B engine, this model delivers a substantial ...