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>Cannonball Parts - New Horizons for Big Flatties, Knuckles and Pans
A true legend and without a doubt one of the milestones in the history of Harley-Davidson. Introduced in the year 1936 the ohv-engined models proved to be a huge success for the Motor Company, because customers quickly realized the outstanding qualities of this design. Consequently the Knucklehead became the prototype of the distinctive Milwaukee Big Twins, that influenced all successive models to the present day.