NGK ITR6F13-4477 Iridium Spark Plug 4477 - One-piece, Dual Precious Metal Type

[NGK ITR6F13-4477 Iridium Plug 4477 Integrated Type Double Precious Metal Type]
■Product Description
High-performance plug that improves both fuel efficiency and acceleration
Iridium IX plugs are high-performance plugs that offer faster flame propagation compared to standard plugs and incorporate a thermo edge at the tip of the insulator to improve resistance to fouling.

Specifications
Iridium IX plugs offer better ignition performance and excellent fuel efficiency compared to standard plugs, leading to improved fuel economy!
Exceptional ignition performance with a fine central electrode!!
NGK Spark Plugs was the first in the world to adopt an iridium alloy!!
Iridium IX plugs are high-performance plugs that offer faster flame propagation and less energy loss (quenching effect) compared to standard plugs.
The thermo edge is exclusive to NGK spark plugs!!
Performance lasts longer because it resists fouling!!
The thermo edge, which generates microscopic discharges, is designed at the tip of the insulator. It burns off carbon adhering to the insulator during prolonged low-speed driving with microscopic discharges, constantly maintaining high ignition performance of the plug.
The ultra-fine iridium alloy center electrode improves electric field strength, generating a stronger spark at a lower voltage.
The spark concentrates at the tip of the center electrode, consistently providing stable combustion, which leads to improved fuel efficiency.
Type: Double precious metal type
Mounting thread diameter φ14.0mm
Mounting thread length 17.5mm
Hexagon socket Hex 16.0mm

■Notes on images
*Images are for illustration purposes only. They may include products with different sizes and colors. Product designs and specifications are subject to change without notice. Thank you for your understanding.