Bulk PTFE Positive Stop Valve Seals for Performance Builds

Equip your engine shop with the best in valve train technology. The Allstar Performance PTFE Positive Stop Valve Seal 100-pack is designed for builders who demand reliability and performance. These PTFE seals are engineered to handle the intense heat and pressure of modern high-performance engines, featuring a positive-stop design that locks securely onto 0.531 inch guides for 11/32 inch stems. With 100 seals per pack, you are prepared for multiple engine builds or large-scale cylinder head overhauls.

Why Choose PTFE Seals?

• Superior Heat Resistance: PTFE material outperforms standard rubber in high-temperature environments.
• Bulk Convenience: 100-pack provides excellent value for professional engine builders.
• Secure Fit: Positive-stop design ensures the seal remains locked in place under high-lift cam profiles.
• Optimized Oil Control: Precision metering prevents oil consumption without starving the valve stem.
• Versatile Application: Suitable for a wide range of racing and street performance cylinder heads.

Investing in high-quality PTFE seals is a small step that yields significant results in engine longevity and power output. By preventing oil contamination, these seals help ensure your engine maintains consistent compression and peak performance. Whether you are building for the track or the street, these seals provide the durability you need. Discover the full range of professional-grade engine components available at GGCRACING.