Seller notes

1937 Knucklehead head set is accurately cast with the original factory markings for the 61" models and features a black finish. The heads include 61" intake nipples that are installed.Uses 1-3/8" large hex 18mm plugs. *NOTE: Valve seats are installed.More Information FITSEL 1937-1939 ManufacturerMotortechnic FITSEL 1937-1939 Shipping is free in the Lower 48 US States. Hi/AK/PR/APO AP may be higher.I ship worldwide via US Mail and will combine shipping whenever possible.Customer service is our #1...

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