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The Supertech manganese-bronze intake valve guide for Honda LS and H23 series engines fits 6.6mm valve stems and is intended for intake-side installation. It helps reestablish valve-to-guide clearance and alignment following cylinder head service, supporting reliable valve operation under repeated use. Sold individually, this guide is for applications matching the LS and H23 series stem dimensions.
Supertech Honda LS / H23 Series Manganese Bronze Intake Valve Guide 6.6mm Stem
