Ferrea VS1031-1 7mm Viton Hi-Temp Valve Stem Seal

The Ferrea VS1031-1 is a high-performance valve stem seal designed for precision engine builds and racing applications. This single valve stem seal features premium Viton construction with a 7mm stem diameter and .500-inch inner diameter, suitable for both intake and exhaust applications.

Key Features:

• 7mm valve stem diameter with .500-inch ID for universal compatibility
• High-temperature Viton compound rated to 475°F (compared to OEM seals typically rated at 300°F)
• Suitable for both intake and exhaust valve applications
• Race-proven design from Ferrea's 50+ years of valvetrain manufacturing experience
• Superior heat resistance, oil control, and durability over standard rubber seals
• Precision-engineered for optimal oil metering and combustion chamber sealing

Ferrea valve stem seals are manufactured to exceed OEM specifications, providing exceptional lubrication while preventing oil consumption in high-performance and racing engines. The Viton material offers superior resistance to extreme heat, oil additives, and abrasion, making these seals ideal for modified engines running higher RPM and boost levels.