Valve Covers and Accessories - Valve Cover Gaskets

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

Big Block Chevy Gen 6 O-ring 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.

Sold in Pairs

Big Block Chevy Standard Thickness 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.

Sold in Pairs

Ford 429/460 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.

Sold in Pairs

These gaskets are the ultimate in performance valve cover gaskets.

Olds 350-455 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.

Sold in Pairs

Silicone / Metal Valve Cover Gaskets - Valve Cover Gasket Fits All Big Block Chevy - Sold in Pairs

Hardin Marine's Perm-Align valve cover gaskets are specially designed for that hard driving, all-out racer who wants to be sure that he has the best protection against valve cover leakage caused by the valve cover gasket being blown out or sucked in by changes in internal engine pressures. The gasket is made of 30 durometer rubber vulcanized to both sides of a thin steel frame and will far outlast cork and rubber composite gaskets. They can be used many times. Black silicone color.

Sold in Pairs

Silicone / Metal Valve Cover Gaskets - Valve Cover Gasket Fits All Big Block Chevy - Sold in Pairs

Hardin Marine's Perm-Align valve cover gaskets are specially designed for that hard driving, all-out racer who wants to be sure that he has the best protection against valve cover leakage caused by the valve cover gasket being blown out or sucked in by changes in internal engine pressures. The gasket is made of 30 durometer rubber vulcanized to both sides of a thin steel frame and will far outlast cork and rubber composite gaskets. They can be used many times. Blue silicone color.

Sold in Pairs

Silicone / Metal Valve Cover Gaskets - Valve Cover Gasket Fits All Small Block Chevy- Sold in Pairs

Hardin Marine's Perm-Align valve cover gaskets are specially designed for that hard driving, all-out racer who wants to be sure that he has the best protection against valve cover leakage caused by the valve cover gasket being blown out or sucked in by changes in internal engine pressures. The gasket is made of 30 durometer rubber vulcanized to both sides of a thin steel frame and will far outlast cork and rubber composite gaskets. They can be used many times.

Sold in Pairs

Small Block Chevy Center 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.

Sold in Pairs

Small Block Chevy Xtreme Marine Seal™ Valve Cover Gasket

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.