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The Supertech exhaust valve stem seal set fits Honda LS and certain Mitsubishi reduced-diameter valves and uses 6.6mm Viton material, supplied as a set of 8. These reduced-diameter seals are intended for exhaust-side valve stem applications where the specified 6.6mm Viton construction matches OEM-style dimensions, offering appropriate material choice for higher-temperature exhaust sealing needs.
Supertech Honda LS / Mitsubishi (Reduced Dia) 6.6mm Viton Exhaust Valve Stem Seal - Set of 8
