SR20 Spark Plug Well Gasket - available locally?

[greenman100]

Is this

OEM Spark Plug Well Gaskets for Nissan SR20DET - Enjuku Racing Parts, (http://enjukuracing.com/spark-plug-well-gaskets-nissan-sr20det-p-6432.html)

or this

Genuine OEM Nissan Spark Plug Well Gaskets O-Rings SR20DET (http://www.frsport.com/Genuine-OEM-Nissan-Spark-Plug-Well-Gaskets-O-Rings-SR20DET_p_7722.html)

available locally, perhaps under a different engine?

[greenman100]

Is the part of the KA24 gasket that goes around the sparkplugs the same? Could i just trim the excess "connecting" material between the circular parts?