Replacement piston rings for the Wiseco piston kits sold after 2006. You can identify one of our pistons by reading the dome of the piston. There is a number on the top of the piston that beings with the numbers and the letter "M". Choose the replacement ring size from the options shown.
1974-1978 Honda CR125 that have been serviced with a Wiseco piston kit. The piston will be marked 339Mxxxx on top.
These rings will not fit the stock Honda piston or any other aftermarket piston.