This is a used Honda engine counter balance shaft from a 1984 XL350R motorcycle with only 3500 miles . It is in like new / perfect condition , made of steel and has the manufacturer part number 13420-KF0-000. The shaft also has a superseded part number of 13420-KF0-772 and an interchangeable part number of 13420-KF0-771. It is compatible with only Honda XL350R motorcycles from the year 1984 and is specifically designed for this dual sport motorcycles. This counter balance made in Japan