pick your thickness, pick your cylinder diameter, know your ring type
all rings are a quantity of one (1)
IN GENERAL:
Stihl saws run 1.2mm rings and Husqvarna saws run 1.5mm rings from OEM or Caber.
Wiseco pistons run 1.0mm NPR CS rings in Nikasil bores and 1.2mm Caber rings in non-Nikasil bores. There are some special Wiseco models that run specific other rings on this list, do not order a ring if you are not 10% SURE it is the right ring, there are no refunds at all, EVER, for any reason, NEVER!!
