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Enginetech provides a comprehensive line of high-quality engine valve stem oil seals designed for durability, featuring materials like Viton®, silicone, and polyacrylate to prevent oil seepage past valve guides. Enginetech offers Premium Positive, Premium Umbrella, and OE-type valve stem s

Valve stem seals from Cometic provide superior sealing to keep oil out of combustion chambers for improved engine efficiency and performance. Cometic valve stem seals are comprised of a high-quality materials that's extremely resistant to heat, oil additives, and abrasion. These seals are

Fel-Pro valve stem seals are available in a variety of sizes, styles, and materials. 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