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Cylinder head set

Item №
62-400

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.

  • fits 74” and 80” Flathead Big Twin 1936-1948
  • aluminum
  • nominal bore: 3-7/16 ” / 4-9/32 ”
  • compression: 5.5 : 1 (1200cc), 5.85 : 1 (1300cc)
  • 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
  • gross weight: 6 kg
net price*
$737.44
* United States of America: Tax free shipping. Please check your local import fees.
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