RIKEN PISTON RING vol.18 Year of manufacture: 2008 Version: vol. 18 Compatibility with Vista: complete System requirements: ADOBE READER 9.0 Interface language: only English Crack: not required Description: Quality-the original from the manufacturer. Format-PDF. Quantity of sheets-108. The latest edition of the catalogue for the selection of rings by RIK. In the catalogue there is a dimensional base + cross station on the original numbers.