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Aluminum Cylinder Heads

Aluminium cylinder heads for Flatheads. Harley-Davidson decided to use aluminium cyclinder heads in 1940, as these have much better heat dissipation abilities than comparable cast-iron cylinders heads. Set of front and rear cylinder head.

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Cylinder head set, aluminum
W&W# Picture net price* Available from warehouse Germany?
62-400 Aluminum Cylinder Heads fits 74” and 80” Flathead Big Twin 1936-1948, nominal bore: 3-7/16 ” / 4-9/32 ”, compression: 5.5 : 1<br />5.85 : 1, head bolt pattern: Flathead, plug threads: 1 x M18 x 1.5 x 12.7 mm, replaces OEM 16661-40, 16666-40, and 16667-40 $512.88 pair
in stock
62-402 Aluminum Cylinder Heads fits 45” models 1936-1973, nominal bore: 2-3/4 ”, compression: 5.1 : 1, head bolt pattern: Flathead, plug threads: 1 x M18 x 1.5 x 12.7 mm, replaces OEM 16692-40, and 16695-40 $417.30 pair
in stock
* United States of America: Tax free shipping. Please check your local import fees.

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