New and used Harley Davidson Knucklehead engines for sale by individuals, parts suppliers, and dealers.
Clicking on the links below will open a detailed description of the Knucklehead engine in a new window on eBay.
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1937 Ulh Left Side Engine Case Oem Knucklehead Flathead | US $750.00 |
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Harley Davidson Knucklehead Engine Cases 19451946 | US $750.00 |
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1942 Ul Flathead Motor Engine Knucklehead Panhead Wow | US $1,075.00 |
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