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This Supertech intake valve guide is specified for Honda B18C1/B16A with a 5.5mm stem and 12.09mm outside diameter. Supplied as a single replacement guide, it matches OEM fit dimensions for the listed cylinder head applications and provides a direct replacement option where a compatible valve guide is required for valve stem support and sealing in those Honda engines.
Supertech Honda B18C1/B16A 5.5mm Stem 12.09mm OD Intake Valve Guide - Single (Drop Ship Only)
