Harley Davidson Knucklehead Cam Cover Evolution...

The following images show the Knucklehead engine Cam covers shape change 1936 to 1947, the front most is the early 1936 cover, note the two rivets holding the inside tin baffle, the second cover is the second generation which show up during 1936, toward the end of 36 came the third cover which will stay until 1939 and the last but maybe the most recognized cover by any H-D enthusiast is the 8 fins cam cover which came up in 1940 and stay until the Knucklehead last year which was 1947, as a matter of fact this shape of cam cover will continue beyond 47 and will decorate the early Panhead engines up to 1953, the artistic finned shape become to be one of the most recognized styling motive and lot of accessories where designed around it...

TC-20 TF

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