The DENSO IRIDIUM TOUGH VFCH16 Spark Plug (4PCS) is designed for optimal performance and durability. Featuring a fine-wire 0.4 mm iridium center electrode, it delivers superior ignitability and ensures consistent spark for enhanced engine performance. The platinum ground electrode improves durability and extends service life, making it ideal for modern vehicles that require long service intervals. This spark plug is engineered to reduce electrical noise and increase fuel efficiency, providing a smooth and efficient driving experience.

Key Features:

1. 0.4 mm Iridium center electrode for superior ignitability and faster response
2. Platinum ground electrode for extended service life and greater durability
3. Designed for long service intervals and optimal engine performance
4. Resistor design suppresses electrical noise for smoother engine operation
5. Perfect fit for various Toyota, Honda, and Nissan models