Ferrea VS1026-1 Viton Valve Stem Seal ID - 11/32 500

The Ferrea VS1026-1 is a high-performance Viton valve stem seal designed for demanding racing and performance applications. This single valve stem seal features an 11/32-inch stem size with a 0.500-inch inside diameter, making it a universal fit option for both intake and exhaust valves on compatible engine builds.

Key Features:

• Premium Viton construction for superior durability and oil control
• High-temperature rating of 475°F, significantly exceeding OEM seals rated at 300°F
• 11/32-inch valve stem size with 0.500-inch inside diameter
• Suitable for both intake and exhaust valve applications
• Single seal for custom engine builds or replacement needs
• Manufactured by Ferrea Racing Components with nearly 50 years of racing experience

Ferrea valve stem seals are engineered to prevent unwanted oil from entering the combustion chamber while providing exceptional sealing performance under extreme temperatures and high-RPM conditions. The advanced Viton material offers superior resistance to heat, oil, and chemical degradation compared to standard rubber seals, making these seals ideal for performance engines, racing applications, and high-output builds where reliability is critical.