Upgrade your engine's valve train with Kibblewhite Solid PTFE Valve Guide Seals. These high-performance seals are engineered to provide superior oil control and valve stem stability, ensuring optimal engine performance and longevity. Description Kibblewhite Valve Guide Seals are manufactured from premium PTFE (Polytetrafluoroethylene), a material renowned for its exceptional heat resistance and mechanical stability, even at temperatures up to 500°F. Specially formulated fillers enhance the material's stability and significantly reduce friction between the valve stem and guide. The innovative twin-spring design delivers consistent tension, maintaining a tight seal against both the valve guide and stem. This prevents oil leakage into the combustion chamber, reducing emissions and optimizing fuel efficiency. Precision-engineered and proudly made in the USA, these valve guide seals provide a reliable and durable solution for high-performance engines. Suitable for both intake and exhaust valves, these seals are a crucial component in maintaining optimal engine health and power output. Easy to install, Kibblewhite valve guide seals offer a direct fit replacement, ensuring a hassle-free upgrade. Features & highlights Manufactured from high-performance PTFE for exceptional heat resistance. Fillers added to enhance material stability and minimize friction. Twin-spring design ensures consistent tension and a superior seal. Reduces oil consumption and minimizes emissions. Precision-engineered for a direct fit and easy installation. Suitable for both intake and exhaust valve applications. Proudly made in the USA, guaranteeing quality and reliability. Technical specifications Brand: Kibblewhite Part Number: 09260795 Type: Valve Guide Seal Material: PTFE Application: Exhaust, Intake Stem Diameter: 11/32" Outside Diameter: 0.654" Length: 0.514" Units: 4 Pack Important to know Ensure proper valve guide dimensions and valve stem clearance before installation. Professional installation is recommended.