Supertech Performance VSI-GM50-E 5.0mm Viton Integral Valve Stem Seal for GM/Opel

The Supertech Performance VSI-GM50-E is a high-performance Viton integral valve stem seal designed for GM and Opel engines. This precision-engineered seal features a 5.0mm stem diameter and is compatible with valve guides measuring 10.06mm outer diameter.

Key Features:

• Viton construction for superior heat resistance and durability in exhaust applications
• Integral design provides positive valve seal control
• 5.0mm stem diameter for precise fitment
• 10.06mm guide outer diameter compatibility
• High-temperature compound engineered specifically for demanding performance conditions
• Resistant to heat cycles and chemical breakdown

Supertech valve stem seals are manufactured from premium materials to ensure long service life and reliable performance. The exhaust-grade Viton compound used in this seal offers exceptional resistance to extreme temperatures and engine chemicals, making it ideal for performance and racing applications. This seal helps prevent oil consumption and maintains proper valve lubrication under high-stress operating conditions.