Supertech Performance HIVN-1008-8 Black Nitrided Intake Valve Set Oversize Honda - 1mm H22

These performance valves feature a +1mm oversize design with a 36.00mm head diameter for increased airflow and enhanced engine performance.

Technical Specifications:

• Head Diameter: 36.00mm (+1mm oversize)
• Stem Diameter: 5.48mm
• Overall Length: 106.85mm
• Material: Stainless steel with black nitride coating
• Valve Type: Intake

The black nitride coating is a hardening treatment that provides several performance advantages over traditional chrome-coated valves. This advanced surface treatment creates a smoother finish that reduces friction between the valve stem and guide, improving valve train efficiency and longevity. The hardened surface also increases wear resistance for extended service life in high-performance applications.

Performance Features:

• One-piece forged construction for maximum strength and reliability
• +1mm oversize design increases intake airflow capacity
• Reduced friction for improved valve train efficiency
• Enhanced durability for high-performance and racing applications
• Precision-manufactured to strict quality standards

Supertech valves are engineered with over 30 years of manufacturing experience and extensive testing in collaboration with professional engine builders. These valves are trusted by racers and tuners worldwide for road racing, drag racing, and high-performance street applications. When upgrading to performance valves, it is recommended to also replace valve springs and valve stem seals for optimal results.