NGK (4548) CR9EK Standard Spark Plug, Pack of 1 Solid copper core for greater spark, superior heat dissipation and conductivity Longer insulator nose prevents fouling Corrugated ribs on insulator prevents flashover Dual ground electrodes for more consistent spark Triple gasket seal eliminates combustion gas leakage and the zinc dipped shell prevents corrosion <a href="https://www.amazon.com/b?node=14770868011"> International products </a> have <a href="https://www.amazon.com/gp/help/customer/display.html/ref=nav_cs_help?ie=UTF8&nodeId=202045290"> separate terms, </a> are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. Manufacturer warranty may not apply <a href="https://www.amazon.com/b?node=14770868011">Learn more</a> about Amazon Global Store.