GTR-STG Silicone valve cover gaskets. These gaskets fit the Triumph Stag V8 valve covers. This a set, you get two valve cover gaskets, enough for one engine.
GTR-STG Gasket Set, Stag with OEM Valve Cover
$48.00Price
http://res195.servconfig.com/~gasket/wp-content/uploads/2018/10/GTR-STG-Triumph-Stag-1970-1977-Silicone-Valve-Cover-Gasket-Set.pdf