1936-1940 Harley Davidson Knucklehead Frame Neck Forging 28° Rake. Replica frame neck forging has a 28° rake and is machined to accept stock diameter tubing.
Fits:
EL 1936-1940
Forged neck is accomplished in 4 stages: First the steel is fired as red hot ingot, next huge hammers compact and orient the grain structure into a rough shape of the part, susequent hits form the part into its final shape, after which it is machined and heat treated which results in increased strength and resistance to wear.
51-0623