To purchase this part please visit our website http://www.southcentraloutboards.com/
This listing is for a new old stock QuicksilverMercury Outboard Piston Ring. The part number for this is 39-45153A12. I am providing you with a link that you can click on and look up the year and model of your outbaord to ensure that you are ordering the correct part that you need. If you have any questions please feel free to contact us and we will do our best to assist you. Thank you!