Harley-Davidson has become one of the most recognizable brands in the world. With that kind of notoriety, it stands to reason that several of the most popular bikes simply blend into the background.

A ccording to Chevrolet, the current 2025 Corvette Z06 and its 5.5-liter flat-plane crank V8 can rev to an astronomical 8,600 rpm. There are cars that rev higher, but 8,600 is still a seriously ...