Seller notes

European-made head cone lock nut which is a spot on replacement for Harley-Davidson 1936-48 big twin models including Knucklehead and big twin flathead U models. This is an exact reproduction of the original part and will give you a precision fit. I'm not entirely certain what all years a cadmium finish would be correct. I do believe the ones on 1936 models may have been nickel and may have also been machined differently and parkerized would have been a correct war era finish. Please check your ...

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