Ventildeckel Dichtung Kork Valve Cover Gaskets Bj. 1956-66 277,301,303,313,318,326 Poly Brand: Fel-Pro Part Type: Valve Cover Gaskets Product Line: Fel-Pro PermaDry Valve Cover Gaskets Gasket Material: Cork Quantity: Sold as a pair. Notes: Includes grommets. Fel-Pro PermaDry valve cover gaskets are intended for stock replacement use. Their construction varies with the application. Many are made of tried-and-true cork, which has been counted on to do the job for generations. Others are made of molded rubber, which is another of the old standards in gasket technology. Note that these gaskets are not intended for race applications.