505-16 Competition Cams Valve Stem Seal Positive Stop
505-16 Competition Cams Valve Stem Seal Positive Stop
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505-16 Competition Cams Valve Stem Seal Positive Stop
Ensure optimal engine performance with the 505-16 Competition Cams Valve Stem Seal Positive Stop. This essential component is designed to prevent unwanted oil from infiltrating the combustion chamber, providing a reliable seal for your engine's valve guides.
Key Features:
- Effective Oil Control: Prevents oil from entering the combustion chamber through valve guide clearance.
- Versatile Seal Options: Includes O-Ring seals that utilize standard retainers and oil splash shields.
- Enhanced Performance: Ideal for larger-than-stock diameter springs, the umbrella seal and positive-stop Teflon seal are perfect for double spring applications.
- Smaller Diameter Seals Available: Viton seals are offered for triple spring setups, ensuring a perfect fit for various applications.
- No Machining Required: O-Ring and umbrella seals can be installed without machining, while the Teflon seal requires disassembly and specialized cutting.
Specifications:
- Valve Guide Diameter: 0.53 Inch
- Valve Stem Diameter: 3/8 Inch
- Type: Positive Stop
- Material: Teflon
- Quantity: Set of 16
Warranty:
Backed by a limited 1-year warranty, you can trust in the quality and durability of the 505-16 Competition Cams Valve Stem Seal.
Upgrade your engine's efficiency and longevity today with this high-performance valve stem seal set!
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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.

