Supertech Performance VS-H6.6E-8 6.6mm Viton Exhaust Valve Stem Seals

Valve stem seals prevent the mixture of air and oil within your engine's combustion chamber, and when they wear out, your engine will begin to burn oil.

Key Specifications:

• Stem Diameter: 6.6mm
• Guide OD: 12mm / Seal OD: 13.7mm
• Material: Viton high-temperature compound
• Position: Exhaust
• Reduced diameter design for specific Honda and Mitsubishi applications

Performance Features:

• Special hi-temperature compound for improved durability in exhaust applications
• Precision-manufactured for proper sealing and oil control
• OE replacement or performance upgrade for engine rebuilds
• Compatible with Honda B18A1, B18B1, B20B engines and Mitsubishi 4G63 applications

Supertech Performance provides the racing market with superior valves and valve train components for virtually every type of racing, from drag racing to road racing. Whether you're rebuilding your engine or performing maintenance, these high-quality valve stem seals ensure proper oil control and long-lasting performance.