Supertech Performance NIVN-1007-VE-8 Black Nitrided Intake Valve +1mm Oversize

The Supertech Performance NIVN-1007-VE-8 is a high-performance black nitrided intake valve set engineered for Nissan SR20VE engines.

Key Specifications:

• Head Diameter: 35.15mm (+1mm oversize)
• Stem Diameter: 5.97mm
• Overall Length: 99.70mm
• Material: One-piece forged stainless steel 21-4N with black nitride coating
• Groove Type: Single groove

Performance Features:

• Black nitriding process increases surface hardness and reduces friction for improved performance and longevity
• One-piece forged construction ensures maximum strength and eliminates weld points
• Hardened valve tips exceed 52 HRC for extended service life
• Proprietary Supertech Superfinishing creates an ultra-smooth surface for optimal sealing
• 1mm oversized head diameter increases airflow capacity for power gains
• Precision-ground to exacting tolerances for reliable performance

Manufactured in San Jose, California by Supertech Performance, each valve undergoes rigorous quality control including heat treatment, precision grinding, and advanced surface finishing. The black nitride treatment provides superior wear resistance compared to standard chrome valves while maintaining excellent thermal properties. Recommended for use with upgraded valve springs and seals when building or rebuilding cylinder heads for racing, forced induction, or high-RPM applications.