Supertech Performance AIVN-1103-18 Black Nitrided Intake Valve Set - 18 Pieces for Audi/VW 1.8T 5V Engines

These valves are engineered for enthusiasts and builders looking for ultimate strength and durability in demanding engine builds.

Key Specifications:

• Head Diameter: 26.90mm (standard size)
• Stem Diameter: 5.96mm
• Overall Length: 105.09mm
• Material: Forged stainless steel with black nitride coating
• Valve Type: Intake
• Quantity: 18 valves per set
• Compatible with original 3-groove valve locks

Performance Features:

• One-piece forged stainless steel construction for maximum strength
• Black nitride surface treatment provides extreme hardness and wear resistance
• High-flow design optimizes air intake for improved performance
• Precision-machined to OEM specifications for proper sealing
• Suitable for high-RPM applications and performance camshafts

This valve set is designed for Audi and VW 4-cylinder and 6-cylinder engines including 1.8T, 2.4L, 2.7T, 2.8L, and 3.0L models with 5-valve-per-cylinder heads. The black nitride coating increases surface hardness and reduces friction, making these valves ideal for both street performance and racing applications. Each valve is manufactured to exacting tolerances to ensure reliable performance and longevity in high-stress engine environments.