Supertech Subaru EJ25 / Toyota 3SGTE/4AGE/7MGTE 6mm Viton Exhaust Valve Stem Seal - Set of 12

Made from Viton, these 6mm exhaust valve stem seals are built to handle the heat and stress of performance engines. Viton is a high-performance fluoroelastomer known for its excellent resistance to high temperatures and aggressive fluids, making it a solid choice for exhaust valve applications where oil control is critical.

This set includes 12 seals, which is the standard quantity needed for most 4-cylinder and 6-cylinder engines that utilize 6mm valve stems. Proper installation of these seals is key to preventing oil from leaking past the valve guides and into the combustion chamber, which can cause blue smoke on startup and increased oil consumption. If you're rebuilding the top end of your Subaru EJ25 or one of the specified Toyota engines, replacing these seals is a straightforward step that can make a notable difference in engine health.