Big Block Chevy Extra Thick Bolt Xtreme Marine Seal Valve Cover Gasket 

Big Block Chevy Extra Thick Bolt Xtreme Marine Seal™ Valve Cover Gasket- Sold in Pairs

There is nothing more frustrating than a leaking valve cover seal, so don't settle for anything less than the best. That's why professional engine builders nationwide demand Xtreme Marine Seal valve cover gaskets. Produced from a blend of polymer and cork to provide a gasket that will last. Gaskets are .300" thick.

Sold in Pairs