NGK Iridium Premium Solid Top Spark Plug Box of 4 (BR10EIX)

This is a box of four NGK Iridium IX spark plugs, part number 6957. These plugs are designed to give you a more consistent spark, which can lead to better acceleration, improved fuel efficiency, and longer life compared to standard nickel alloy plugs. The fine iridium tip is very durable and helps maintain a strong spark over time, even in demanding engine conditions.

The iridium alloy used in the center electrode has a very high melting point, making it well-suited for today's higher-temperature engines. NGK also uses a trivalent metal plating on the exterior of the plug, which helps prevent corrosion and makes them easier to remove later on. This particular plug features a tapered cut ground electrode, which can help with smoother starting, idling, and throttle response.

These plugs fit a wide range of vehicles, including many Honda CR and Kawasaki KX dirt bikes, as well as various Arctic Cat and Ski-Doo snowmobiles. They are a popular choice for modified or high-performance applications, or simply as an upgrade over your vehicle's original equipment spark plugs.