Supertech Honda 5.5mm Viton Exhaust Valve Stem Seal - Set of 8

Supertech is known for making solid internal engine components, and these 5.5mm Viton exhaust valve stem seals are a great example of their work. If you're rebuilding the top end of your Honda engine, replacing these seals is a critical step to ensure proper valve operation and prevent oil from getting into the combustion chamber.

These seals are made from Viton, a material that holds up well to the heat and oil exposure found around exhaust valves. The 5.5mm size is specific to certain Honda applications, meaning they are designed to fit right onto the valve guides without issue. Replacing old, hardened seals with new ones like these can help reduce oil consumption and improve engine performance.