Hello, you are looking at a brand new Novarossi OEM original .12 gasket for all .12 engines. This is Novarossi part # 21601. This is out of the package but 100% original novarossi out of the factory.
This fits all .12 engines that use this style of exhaust port (all .12/.15 race engines).
If you have any questions, please ask before bidding.
Thanks for looking and good luck!