Supertech Performance HIVN-1022F-8 Black Nitrided Intake Valve +1mm Oversize for Honda Acura K20 K24

The Supertech Performance HIVN-1022F-8 is a premium black nitrided intake valve set designed for Honda and Acura K20/K24 engines. This set includes 8 high-performance intake valves featuring a +1mm oversize head diameter for improved airflow and power output in racing and performance applications.

Key Specifications:

• Head Diameter: 36.0mm (+1mm oversize) with flat face design
• Stem Diameter: 5.48mm
• Overall Length: 108.85mm
• Material: One-piece forged stainless steel (21-4N alloy)
• Coating: Black nitrided finish for enhanced durability and reduced friction
• Groove Type: Single groove

Performance Features:

• Manufactured from one-piece forged stainless steel for superior strength and reliability
• Black nitride hardening treatment provides microhardness of 800HV minimum while maintaining ductility
• Smoother surface finish than chrome-coated valves reduces friction between stem and valve guide
• Special heat treatment process optimized for high-performance engine applications
• Designed and tested with input from professional engine builders

Supertech Performance leverages over 30 years of valve manufacturing experience, utilizing advanced technology including computerized Finite Element Analysis (FEA), ultrasonic testing, and laser measurement equipment. These valves are engineered for drag racing, rally, road racing, and other motorsport applications where maximum flow, durability, and precision are essential.

Applications: Honda/Acura K20A2, K24A2, and K24Z7 DOHC VTEC engines found in Civic, CR-V, RSX, Integra, and TSX models. Ideal for performance builds requiring oversized valves and upgraded valve train components.