Supertech Performance TIVN-1008 Black Nitrided Intake Valve Toyota - 1JZ

The Supertech Performance TIVN-1008 is a high-performance black nitrided intake valve engineered for Toyota 1JZ-GTE and 1JZ-GE engines. Manufactured from enhanced EV8 (21-4N) stainless steel, this racing valve delivers exceptional strength and durability for demanding applications.

Key Specifications:

• Head Diameter: 32.00mm (Standard)
• Stem Diameter: 5.94mm
• Overall Length: 97.50mm
• Material: Black Nitrided Stainless Steel 21-4N
• Groove Type: Single Groove
• Valve Type: Intake

Manufacturing Process:

Supertech valves begin as one-piece forgings with a slow two-step forging process to maintain optimal material grain flow. Each valve is CNC machined in multiple steps for precision, followed by heat treatment for stress relief and black nitride hardening. The final grinding and Supertech's patented Superfinishing process ensures each valve is free of imperfections with precise dimensions.

Performance Benefits:

• Enhanced airflow for improved engine performance
• Superior strength to withstand high-performance applications
• Black nitride coating provides exceptional wear resistance
• Precision manufacturing ensures consistent quality
• OEM replacement with performance upgrades

Ideal for engine rebuilds, performance upgrades, or replacement during routine maintenance. Supertech applies over 30 years of racing valve development experience, utilizing advanced equipment including ultrasonic testing, x-ray analysis, laser measurement, and computerized finite element analysis.