Fulvia rocker cover inner 'spectacle' gaskets

Inner gasket from rubber or cork-esque material.

2 required per car (and all must be same thickness as outer gasket).

We usually get sent rubber ones, but occasionally get cork either by request or just happenchance. We like both, and prefer rubber most of the time. The engine gasket sets come with a cork type. The most important thing is that they are the same, and the same thickness.