511-16 Competition Cams Valve Stem Seal Positive Stop
511-16 Competition Cams Valve Stem Seal Positive Stop
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511-16 Competition Cams Valve Stem Seal Positive Stop
Enhance your engine's performance with the 511-16 Competition Cams Valve Stem Seal. Designed to prevent unwanted oil from entering the combustion chamber, this high-quality valve stem seal is an essential component for any serious automotive enthusiast.
Key Features:
- Effective Oil Control: Keeps unwanted oil out of the combustion chamber through precise sealing in the valve guides.
- Versatile Options: Choose from various seal types including O-Ring seals, umbrella seals, and positive-stop Teflon seals, adaptable to your specific engine needs.
- Easy Installation: O-Ring and umbrella seals require no machining, offering a straightforward installation process.
- Durable Materials: Constructed from steel jacketed Viton, ensuring longevity and reliability under high-performance conditions.
- Ideal for Double Springs: The positive-stop Teflon seal is specially designed for use with double spring applications, providing optimal performance.
- Comprehensive Set: Comes as a set of 16, ensuring you have enough seals for your engine rebuild or upgrade.
Specifications:
- Outside Diameter: 0.562 Inch
- Valve Guide Diameter: 1/2 Inch
- Type: Positive Stop
- Warranty: Limited 1 Year Warranty
Upgrade your engine's sealing technology with the 511-16 Competition Cams Valve Stem Seal, designed for performance and reliability. Don't compromise on quality—ensure your engine runs smoothly and efficiently!
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Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.

