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* OEM No: 16697-40
* Knucklehead cylinder head set features original cast iron with black finish.
* Head set includes valves, springs, collars, and guides with parkerized upper and lower valve cover sets installed.
* Head set uses stock 18mm spark plugs.
* Does not include rocker assembly or o-ring adapters.
* Fits:
FL 1941-1947
EL 1936-1940
* UOM: 1 – SET
* Country of Origin: USA