Normal 0 false false false MicrosoftInternetExplorer4 Product DescriptionThis product is about an after-market top-quality Piston Ring Set madeby the well-known OEM firm CABERand fits the following STIHLmodels: 064064 W064 R064 RWMS 640MS 640-WMS 640-RMS 640-RWThe set consists of two (2) piston rings and replaces STIHL part #1122 034 3000.Our Piston Rings are branded and come directly from the top-quality andworldwide-known OEM Manufacturer CABER.Our Piston Rings are made from I-Cast Iron with high bending strength according toISO STD 6621-3:1990 and DIN 70909.Protect your valuable STIHL machine. Use only Branded & High-Quality Parts.Enjoy thousands hours of safe and trouble-free operation! Important Notice: If the Part Number of the spare part shown in this eCRATER listing does not match yours, please let us know. Manufacturers often replace old Part Numbers with new ones, as they launch new products in the market. If you don't know the OEM Part Number for the piston rings of your machine, please let us know the dimensions of the piston rings you are looking for (diameter x thickness).