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 ZÜNDAPPmodel: KM 50 Types 255, 257 (49cc)The piston ring set consists of two (2) piston rings with lateral notches and diameter 39 mm. Do you need other Piston Rings? We maintain a great collection of piston rings with diameters from 19 up to 450 mm. If you need piston rings other than the ones listed in our eCRATER listings, please send us either the size (diameter x height) you require, or the model of the engine they fit. We will create specific eCRATER listings for your order. Powered by eCRATER . List your items fast and easy and manage your active items.