
Stainless Steel Black Nitride Intake Valves

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Stainless Steel Black Nitride Intake Valves
Supertech Stainless Steel Black Nitride Intake Valves are engineered for serious performance applications. EV8 / 21-4N stainless steel with Black Nitride surface treatment engineered specifically for intake-side airflow stability and high-RPM valve control.
Technical Highlights
- Optimized head profile for improved intake flow characteristics.
- Precision stem finish for consistent guide clearance.
- Hardened tips for lash and follower durability.
- Designed for naturally aspirated and boosted intake applications.
