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Valve Stem Diameter (mm)
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Valve Stem Seal Outside Diameter (in.)
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- Stock Replacement (3)

Ajusa Valve Stem Seals

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Ajusa valve stem seals offer your build, service, or repair superior OE-quality and precise design to ensure a perfect fit and optimal sealing. These small components perform a valuable role—controlling the lubrication of the valve stems as they slide in the valve guide. Too little oil causes stem and guide wear; too much increases oil consumption and can cause a buildup of carbon. This can lead to valve seat damage and early valve grind. For leak-free performance to keep your engine running smoothly, choose the Ajusa valve stem seal set recommended for your vehicle and engine application.

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