Supertech Nissan RB25 DOHC Black Nitrided Intake Valves (+1mm Oversize)

Enhance the breathing capabilities of your Nissan RB25 DOHC engine, specifically models equipped with hydraulic lifters, using this set of 12 Supertech Black Nitrided Intake Valves. These valves are precision-manufactured to a +1mm oversize specification, promoting increased airflow for improved volumetric efficiency and noticeable power gains. The application of black nitriding to the valve surface significantly boosts hardness, providing exceptional resistance to wear and extending valve life, even under high-performance operating conditions.

Key Features:

• Engine Specific: Designed for Nissan RB25 DOHC engines with hydraulic lifters.
• Oversize Design: +1mm oversize intake valves for enhanced air intake.
• Surface Hardening: Black Nitrided finish for superior durability and reduced friction.
• Complete Set: Includes 12 intake valves for a full engine refresh or build.
• Performance Improvement: Optimized for better airflow, leading to increased horsepower and torque.

These Supertech valves are an essential upgrade for any RB25 build aiming for higher performance levels, whether for street use or track applications. The combination of oversize dimensions and the hardened nitrided surface ensures both peak performance and long-term reliability. Ensure your engine is equipped with the best components for optimal results. GGCRACING is your source for quality engine parts.