This new genuine Honda OEM pre-chamber gasket, part number 18393-SDB-A00, is a direct replacement for your exhaust system. It is made of metal with a matte finish and comes as a single piece with one bolt hole. This gasket is not a vintage part and has not been modified in any way. The gasket is designed for Honda vehicles and fits perfectly on the exhaust system without any universal fitment. It is a high-quality replacement part that ensures proper sealing and prevents any leaks in the exhaust system. This gasket is shipped fast and free, and is an OE/OEM part manufactured in Japan.