H-D #030, 356-39, 361-12, 364-36 , 370-36 (1187, 23985-12, 24007-39, 24015-36, 24023-36)GEAR (Pinion) MAIN SHAFT Kit for FlywheelReplica of OEM Parts for Harley 1936 - 1947 Knuckle MotorsIncludes NUT, KEY, LOCK & SCREW (AAOK #5332-36)