Athena Racing 330 series Cooper Ring cylinder head gasket.
For specific high horsepower applications, engine  performance can be significantly improved by using Athena Cooper Ring gaskets, that are supplied with INOX steel ring. This technology outperforms conventional fire ring solutions.
Cooper Rings are oversize (also fits for oversize bores).

Part number: 330016R
Gasket thickness: 2.00mm
Bore size: 93.10mm