Harley-Davidson 1966 FLH Electra-Glide

Harley-Davidson’s flagship model, the 1966 FLH Electra-Glide, gained about five horsepower.

1966 FLH Electra-Glide
The “shovelhead” 1966 FLH Electra-Glide Harley boasted a new, efficient combustion chamber.
Photo courtesy Motorbooks