Ferrea VS1022-1 Viton Hi-Temp Exhaust Valve Stem Seal - 6mm

The Ferrea VS1022-1 is a high-performance 6mm exhaust valve stem seal designed specifically for Nissan RB25DET turbocharged engines. This precision-engineered seal is constructed from Viton high-temperature compound material, providing superior durability and performance in demanding applications.

Key Features:

• 6mm valve stem diameter for proper fitment
• Viton high-temperature compound rated to 475°F (compared to OEM 300°F rating)
• Prevents oil from entering the combustion chamber
• Positive-stop design ensures proper installation depth
• Single seal (sold individually)
• Direct replacement for worn or damaged OEM seals

Valve stem seals play a critical role in preventing oil from mixing with air in the combustion chamber. When these seals wear out over time, engines begin to burn oil and produce blue smoke. Whether you're performing routine maintenance or a complete engine rebuild, replacing valve stem seals with quality Ferrea components ensures optimal engine performance and longevity. Ferrea has been manufacturing precision racing components for nearly 50 years, providing race-proven designs trusted by professional engine builders worldwide.