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GSC Power Division valve stem seal kit for D16, B18-21 and H23 engines, featuring Viton seals sized at 6.6mm. This kit provides the elastomeric seals used at the valve stems to control oil flow into the combustion chamber and is intended for direct replacement during cylinder head servicing or valvetrain refresh on compatible Honda engine families listed in the product description.
GSC P-D D16/B18-21/ H23 Viton 6.6mm Seal Valve Stem Seal Kit
