Based upon authentic rustic, hand-drawn 1959 Harley Davidson Motor Company shop blueprint drawing of the Panhead V-twin Engine.
Panhead is used by enthusiasts to refer to a Harley-Davidson motorcycle engine, so named because of the distinct shape of the rocker boxes.
The engine is a two-cylinder, two-valve-per-cylinder, pushrod V-twin. The engine replaced the Knucklehead engine in 1948 and was manufactured until 1965 when it was replaced by the Shovelhead.
It was the fourth basic type of V-Twin engine used by Harley-Davidson.
The "Captain America" chopper used by Peter Fonda in the movie Easy Rider (1969) had a panhead engine, as did the "Billy Bike" ridden by Dennis Hopper's character.
As the design of Harley-Davidson engines has evolved through the years, the distinctive shape of the valve covers has allowed Harley enthusiasts to classify an engine simply by looking at the shape of the cover. The Panhead engine valve covers have contours resembling upside down stove pans that give the Panhead its distinctive name.
February 23rd, 2016
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