NGK Spark Plug Stock # 6664

The NGK Spark Plug Stock # 6664 is a premium iridium electrode ignition component designed for small-displacement engines that require reliable cold-start performance and extended service intervals. This spark plug is suitable for OEM and aftermarket applications where consistent spark delivery is crucial, making it ideal for motorcycles, ATVs, generators, and compact automotive engines.

NGK's iridium construction ensures superior arc stability across a wide operating temperature range, enhancing fuel efficiency and engine longevity. The BR7EIX features NGK's Iridium IX technology, which includes a fine-wire iridium center electrode and a precisely machined nickel alloy ground electrode, creating a smaller spark gap that ignites fuel mixtures more efficiently than conventional plugs. The 0.749-inch reach specification guarantees proper electrode positioning within the combustion chamber, preventing fouling and gap erosion.

This spark plug is particularly beneficial for riders and equipment operators who prioritize performance and reliability. Its gasket seat design provides a reliable flame-tight seal to prevent exhaust gas leakage, while the resistor element suppresses electromagnetic interference, protecting sensitive engine management sensors and radio communications from ignition noise. The NGK Spark Plug Stock # 6664 is a dependable choice for modern applications where electronic control modules govern fuel injection and ignition timing.