High Quality Chromoly steel.:
Made in USA:
346- CMX-250 1985-15, XL-350R, XR-350R 83-84. Chain size 520. Available in 13 through 15 teeth. Note: When the tooth size is smaller then the stock size, a circlip will be supplied to hold the sprockets on the shaft. Affected tooth sizes for this part is 11-13 teeth.