Subaru Cylinder Head Plug - Half Moon
Commonly referred to as a 'Half Moon,' this item will come in handy for repairing leaking, damaged, or missing half moons. This is a factory Subaru part and fits USDM as well as JDM and EDM cylinder heads.
version 7 ej205*/207
version 8 ej205*/207
version 9 ej205*/207
*Note: the ej205x and ej2057 models with dual AVCS (intake and exhaust) do not use these plugs.