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Upgrade your engine with the Comp Cams Valve Stem Seal (Positive Intake) guide from Hemi Performance. Designed to suit MODIFIED 0.530" valve guide Slant 6, Hemi 6, and Small Block engines, this valve stem seal prevents unwanted oil from entering into the combustion chamber.

• Features a positive PTFE umbrella seal
• Designed for use with larger than stock springs, such as double springs
• Requires stem guide to be machined down to 0.530" size - speak to your local head machinist to confirm he has correct cutting tools for this stem seal before purchase
• Sold individually - be sure to purchase the correct amount for your engine type

Upgrade your engine's performance with the Comp Cams Valve Stem Seal (Positive Intake) guide from Hemi Performance. Designed for modified engines, this valve stem seal ensures top performance and longevity. Be sure to purchase the correct amount for your engine type - 6 cylinder engines require x12 seals and 8 cylinder engines require x16 seals.