Supertech Performance HIVN-200F-8 Black Nitrided Intake Valve Set for Honda B16A/B18C

The Supertech Performance HIVN-200F-8 is a high-performance black nitrided intake valve set designed specifically for Honda B16A and B18C engines.

Precision Engineering and Construction:

• Manufactured from one-piece forged stainless steel 21-4N for maximum strength and durability
• Black nitrided coating provides superior wear resistance with microhardness of 800HV minimum
• Smoother surface finish than chrome-coated stems reduces friction between stem and valve guide
• Special heat treatment process ensures optimal hardness for high-performance applications

Technical Specifications:

• Head Diameter: 33.00mm (Standard) with flat face design
• Stem Diameter: 5.48mm
• Overall Length: 102.5mm
• Material: Black Nitrided Stainless Steel 21-4N
• Valve Type: Intake
• Groove Type: Single Groove

Supertech valves are trusted by professional engine builders and racers across multiple motorsport disciplines including road racing, drag racing, and rally. The black nitrided finish is particularly popular for Japanese and European performance engines, offering exceptional durability while maintaining good ductility beneath the hardened surface layer. These valves are engineered to withstand extreme operating conditions and provide worry-free service in high-RPM applications.