529-16 Competition Cams Valve Stem Seal Positive Stop
529-16 Competition Cams Valve Stem Seal Positive Stop
Available in stock (21)
529-16 Competition Cams Valve Stem Seal Positive Stop
Enhance your engine's performance and longevity with the 529-16 Competition Cams Valve Stem Seal. Designed specifically to prevent unwanted oil from seeping into the combustion chamber, these seals are essential for any serious engine builder.
Key Features:
- Complete Line of Seals: COMP Cams® offers a variety of valve stem seals to meet your specific engine needs.
- O-Ring and Umbrella Seals: Use standard retainers and oil splash shields for easy installation.
- Positive-Stop Teflon Seal: Ideal for double spring applications, requiring head disassembly and machining.
- Smaller Diameter Viton Seals: Perfect for triple spring setups, ensuring maximum efficiency.
- Easy Installation: Both O-Ring and umbrella seals require no machining, making them user-friendly.
Specifications:
- Outside Diameter: 0.686 Inch
- Valve Guide Diameter: 0.53 Inch
- Valve Stem Diameter: 11/32 Inch
- Type: Positive Stop
- Material: Metal Body Viton
- Quantity: Set of 16
Warranty:
Enjoy peace of mind with a Limited 1 Year Warranty on your investment.
Upgrade your engine with the 529-16 Competition Cams Valve Stem Seal and experience improved performance and reliability!
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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.

