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The Supertech valve stem seal is specified for 7mm valve stems with a 10.6mm guide outer diameter and is sold as a single replacement unit. The listing identifies the seal by stem and guide dimensions so it can be used when matching guide sizing is required during targeted valve‑seal replacement or routine engine maintenance where a single seal needs replacement.
Supertech 7mm Stem 10.6mm Guide OD Valve Stem Seal - Single (Drop Ship Only)
