NGK Racing Spark Plug R5671A-7 (5587) – Nickel Center Electrode – 14mm Thread

This is the NGK R5671A-7 racing spark plug, also known as part number 5587 or 975587.

It's a non-resistor plug, meaning it's designed for racing applications where maximum spark energy is needed.

It has a nickel center electrode and a single ground electrode.

The thread size is 14mm with a 19mm reach, and the hex size is 16mm.

It's a flat seat type with a solid SAE terminal.

Spark gap is 2.5mm.

Made by NGK, so you know it's quality.

Perfect for high-performance engines.

EAN is 87295055878.