Protorque Hitachi Style Starter For Harley Features: 12 Volt Hitachi Style High Torque Starter Guaranteed to Meet or Exceed OEM Performance Unit Contains Heavy Duty Armature and Oversized Bearings Replaces OEM 31570-73 T Note: For models originally equipped with a Hitachi Starter, identified by 5 1/4 length as opposed to the 6 Prestolite starter