I am attaching it now, the StrikerStreet concept, every time Oil Element exchange
I have to remove them all, but OEM and key ○ Unlike Ko
Since there is no Gap at the time of installation, it will not cause exhaust leakage so you can use it with confidence.
* It is almost perfect with the hole diameter on the exhaust system side of the Cylinder head.
But since it falls, I'm pasting it on the head side with Gasket makeup on WAKO'S.