So many types of Harley Davidson motorcycles, one of them is a Harley Davidson Duo glide made in 1964.
Can be said from the very maximum performance Panhead engine manufactured by the Harley Davidson company, because in 1960 until 1964, only type of Harley Davidson Duo glide very fit or suitable for the machine.
The engine is now tuned and reliable with a double ignition, S&S cylinders and pistons, Jim’s strenghtened pushrods and valves springs, Electronic ignition by Mallory, Delkron crankases, Andrews suicidal clutch, and double disk brakes by Performance machine.