GSC P-D Mitsubishi Evo X 4B11T Valve Stem Seal Set (Set of 16)

Made from a high-performance fluoroelastomer, these GSC Power Division valve stem seals are built to handle the demands of the Mitsubishi Lancer's 4B11T engine. When your valve stem seals start to wear out, you'll often notice increased oil consumption, blue smoke from the exhaust, and fouled spark plugs. Replacing them is a key step in rebuilding or refreshing the top end of your engine, ensuring proper sealing and preventing oil from leaking into the combustion chamber.

This set includes 16 seals, enough for a complete engine overhaul on your Lancer. The fluoroelastomer material offers good resistance to heat and oil, which are critical factors for longevity in this application. Installing these seals is typically done during a cylinder head removal or rebuild, so it's a good time to make sure you have all the necessary components ready.