Crank pins are 3-hole type. Made of 8620 steel. Heat treated.
Choose from:
[23962-40] For 61″ Big Twin 1940-1952.ย Center O.D.: 1.246″ End O.D.: 1.035″. HD New#:23962-40 / HD Old#:348-40
[23961-41] For 74″ Big Twin 1941-1981 . HD New#:23961-41 / HD Old#:348-41







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