Premium PTFE Positive Stop Valve Seals

Upgrade your engine's valve train with Allstar Performance PTFE Positive Stop Valve Seals. Unlike standard rubber seals, these PTFE (Polytetrafluoroethylene) seals offer superior heat resistance and durability, making them an excellent choice for high-performance and racing engines. Designed for 11/32 inch valve stems and 0.531 inch guide diameters, these seals provide a secure, positive-stop fit that ensures maximum oil control even under extreme RPM and thermal conditions.

Advanced Features

• PTFE Material: Provides exceptional thermal stability and low friction for extended service life.
• Positive Stop Design: Ensures the seal stays firmly in place, providing superior oil metering.
• Precision Engineered: Designed for 11/32 inch stems and 0.531 inch guide bosses.
• High-Performance Ready: Ideal for engines that see higher temperatures and aggressive valve train profiles.
• Complete Set: Includes 16 seals to cover a full cylinder head set.

When building a high-performance engine, every component matters. PTFE seals are the gold standard for preventing oil leakage into the combustion chamber, protecting your engine from carbon buildup and detonation. These seals are built to withstand the rigors of the track while maintaining a perfect seal on your valve guides. For premium engine components and expert advice, trust the inventory at GGCRACING.