Ferrea VS1031 7mm Viton Hi-Temp Valve Stem Seal

The Ferrea VS1031 valve stem seal set is engineered for high-performance and racing applications requiring maximum reliability under extreme conditions. This set includes 16 precision-manufactured valve stem seals featuring 7mm stem diameter and .500-inch inner diameter specifications, suitable for both exhaust and intake valve applications.

High-Temperature Viton Construction:

• Viton hi-temp compound rated to 475°F, significantly exceeding OEM seal temperature ratings
• Superior oil control and sealing performance in demanding racing environments
• Resistant to heat degradation and chemical breakdown from modern synthetic oils
• Positive stop design ensures precise installation depth and consistent seal positioning

Race-Proven Quality:

• Manufactured by Ferrea Racing Components with over 50 years of valvetrain expertise
• Precision-engineered tolerances for optimal valve guide sealing
• Compatible with aftermarket performance valves and high-lift camshaft applications
• Trusted by professional engine builders and racing teams worldwide

Each set contains 16 valve stem seals, providing complete coverage for most V8 applications or multiple cylinder head rebuilds. The advanced Viton material composition delivers exceptional durability and extended service life compared to standard rubber seals, making the VS1031 an essential upgrade for any performance engine build.