Supertech Performance VS-SU5.5-EI-8 Viton Valve Stem Seals

The Supertech Performance VS-SU5.5-EI-8 valve stem seal set delivers precision sealing for high-performance engine builds and rebuilds. This set includes eight premium Viton valve stem seals engineered for durability and optimal oil control in demanding applications.

Key Specifications:

• Stem Diameter: 5.5mm
• Guide Outside Diameter: 9.9mm
• Seal Outside Diameter: 12.2mm
• Material: High-quality Viton compound for superior heat resistance

Performance Features:

• Viton construction provides exceptional resistance to high temperatures in exhaust applications
• Precision-engineered dimensions ensure proper fitment and consistent sealing
• Prevents oil consumption and maintains optimal compression
• Ideal for engine rebuilds, performance upgrades, and racing applications
• Manufactured to strict quality standards for reliable long-term performance

Supertech Performance specializes in premium valvetrain components for the motorsports industry, providing professional engine builders and performance enthusiasts with race-proven parts. These valve stem seals are designed to meet the demands of high-performance engines where reliability and precision are critical.