Supertech Performance FIVN-2401DS-8 Black Nitride Intake Valve - 32.5mm

The Supertech Performance FIVN-2401DS-8 is a high-performance black nitride intake valve engineered for racing and high-performance street applications. This single valve features a 32.5mm head diameter and is constructed from premium stainless steel 21-4N alloy, providing exceptional strength and durability for high RPM and high horsepower engines.

Key Features:

• Black nitride coating for superior heat resistance and extended valve life
• Head diameter: 32.5mm (oversized)
• Overall length: 103.3mm
• Material: Stainless Steel 21-4N (EV8 enhanced grade)
• Single groove design for reliable keeper retention
• One-piece forged construction with Supertech Superfinishing process
• Hardened tips exceed 52 HRC for maximum durability

Supertech valves are precision-engineered using advanced manufacturing techniques including heat treatment, precision grinding, and proprietary superfinishing to ensure optimal surface quality and performance. The black nitride coating runs cooler than standard valves, making them ideal for turbocharged, supercharged, and nitrous applications. Use with keeper KPR-50/7S for proper installation.