CR8E Nickel Spark Plug by NGK Since 1936, NGK Spark Plugs has been the world leader in technology, innovation and world-class quality in the design of spark plugs and oxygen sensors. With the expansion of our ignition product, technical sensor and vehicle electronics lines, we are ushering in a new chapter of advancement. Features Trivalent metal plating Corrugated ribs Pure alumina silicate ceramic insulator Triple seal Copper core aids in heat removal Benefits Provides superior anti-corrosion and anti-seizing properties Provides superior strength and better heat transfer Prevents leakage Applications Universal What’s In The Box? 1 – Spark Plug References Installation Instruction Warranty 60 Days Warranty