Monster S4 916

NGK Iridium IX® Spark plug type DCR9EIX

The Spark Plug Serious Enthusiasts Rely On.

Designed specifically for the performance enthusiast. Iridium IX® offers extreme ignitability, improved throttle response and superior anti fouling.

● Fine Iridium tip ensures high durability and a consistently stable spark

● Iridium alloy has extremely high melting point, perfect for today’s high-tech, high-performance engines

● Trivalent Metal Plating - superior anti-corrosion and anti-seizing properties

● Outstanding acceleration, high fuel efficiency and durability

● Ultimate design, technology and performance.

This will fit the following motorcycle models:


If you are unsure as to which spark plug you need, then please email us or try out the NGK Partfinder website Learn More