Coupling nut MZ ETZ 251 / 301
New nut, coupling nut for the silencer from MZ ETZ251 and ETZ300. High quality and very galvanised. A collar is turned on in front. This nut is the longer implementation and only to recommend with the ETZ models, an elbow seal is not necessary. This nut is same to building to the ETZ250, also for cylinder with 300 cubic centimetres.
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