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The Supertech valve stem seal is a single polyacrylic intake seal sized 6.6mm, offered as a direct replacement for Honda LS and reduced-diameter Mitsubishi valve stems. It helps control oil at the valve stem to preserve proper sealing and guide lubrication. Sold individually for one-off repairs, this seal suits targeted maintenance where standard replacements are required.
Supertech Honda LS / Mitsubishi (Reduced Dia) 6.6mm Polyacrylic Intake Valve Stem Seal
