What!?
King Kong 1941 Twin Knucklehead engines.
"King Kong", when just 1 Knucklehead engine won't do. On Display At Harley D Museum
Harley made Knucklehead Engines from 1936 thru 1947... They are very valuable as time goes on..
Last edited by sleeper; Dec 12, 2020 at 09:19 PM.


