Valve Seals Viton Metal Jacket 3/8 x .625

The Cometic Gaskets Valve Seals Viton Metal Jacket 3/8 x .625 are essential components for engine builders and mechanics seeking reliable sealing solutions in high-performance and modified applications. These valve seals effectively prevent oil from entering the combustion chamber while ensuring proper lubrication to the valve guide, making them ideal for various engine rebuilds and restorations.

Featuring a metal jacket design, these valve seals incorporate a Viton elastomer core that offers enhanced heat resistance and durability compared to standard rubber seals. The 3/8-inch stem diameter and .625-inch outer diameter make them compatible with a wide range of small-block and mid-block engines, ensuring versatility for multiple applications.

Engine builders working on street performance builds, track cars, or any project involving cylinder head work will benefit from the reliability and longevity these seals provide. The metal jacket reinforces the seal under pressure, preventing extrusion and extending service life in demanding environments.