KOLBENSCHMIDT piston ring kit identified by manufacturer part number 800017711000. Catalog data identifies the exact product as a KOLBENSCHMIDT piston ring kit with an 89 mm cylinder bore and lists three piston-ring components in the set. The product record also shows the manufacturer article number as 800017711000. Confirm the engine application, required ring dimensions, and quantity before ordering; the available evidence does not establish a particular vehicle fitment, warranty, or OEM status. Product image is linked to the exact product page and shown for reference.