NGK Racing Spark Plug Box of 4 (R6725-11)

NGK is well-known for making reliable ignition components, and their Racing Series spark plugs are built to handle the toughest conditions you can throw at them. These plugs are designed specifically for racing applications where extreme heat and high performance are the norm. The center electrode features special designs to ensure it holds up under pressure and ignites the fuel mixture reliably, race after race.

You'll find these plugs bring ultra-high performance across a variety of heat ranges, thanks to their unique configurations tailored for different racing setups. The pure alumina silicate ceramic insulator isn't just strong; it also helps with heat transfer, while special nose configurations can actually improve throttle response. Plus, the trivalent metal plating offers solid protection against corrosion and seizing, making installation and removal much easier down the road.

This set comes with four spark plugs, ready to go into your high-performance engine. They feature triple seals to prevent any leaks and a copper core that aids in removing excess heat.