Zex 82003-4 Nitrous Turbo Spark Plug - Set of 4

ZEX Hyperformance 4 and 6-cylinder spark plugs have an optimal heat range and ground strap designed for nitrous turbo and supercharged engines that maximize safety and performance. Durable nickel electrodes with copper core centers stand up to extreme nitrous and boost pressures, while the triple ground strap is designed for optimum combustion efficiency. These are pre-gapped for an easy, drop-in installation and are available for both 4 and 6-cylinder engines.