Valve Seals: Stop Oil Burning & Blue Smoke

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Valve Seals

Valve seals are small but critical components that regulate oil flow between the valve stem and guide. A worn seal allows oil to be drawn into the combustion chamber, leading to telltale blue smoke on startup, increased oil consumption, and spark plug fouling. Whether you're doing a full engine rebuild or just replacing worn seals, choosing the right type and material is essential for a long-lasting repair.

In this collection, you'll find valve seals to fit a wide range of applications. Key selection factors include:

Type: Positive seals (press-fit onto the guide) offer firm oil control for high-lift cam profiles, while umbrella seals (fit onto the valve stem) are commonly used in stock rebuilds.
Material: Look for durable rubber compounds, PTFE, or Viton for high-temperature resistance.
Size: Valve stem diameter and guide diameter determine the correct seal dimensions.

Replace those worn seals and restore your engine's efficiency.

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Valve Seals

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