Ferrea Audi/VW 6mm Viton Hi-Temp Exhaust Valve Stem Seal - Set of 8

Ferrea is known for making solid valvetrain components, and this set of eight 6mm Viton Hi-Temp Exhaust Valve Stem Seals is no different. These seals are crucial for keeping oil from leaking past your valve guides and into your exhaust ports. When valve seals start to go, you'll often notice blue smoke on startup or after the engine has been sitting for a bit, and sometimes even oil burning during normal driving. Replacing them is a common part of rebuilding an engine's top end or addressing oil consumption issues.

These seals are made from Viton, a high-temperature resistant material that holds up well in the harsh environment of an exhaust port. The 6mm size means they are specifically made to fit the valve stems on many Audi and Volkswagen engines. Installing these seals is typically done when the cylinder head is off the engine, ensuring a proper seal and preventing oil from entering the combustion chamber or exhaust system.