The NGK 3326 Nickel Spark Plug DR4HS is engineered for durability and optimal performance. It includes trivalent metal plating that enhances resistance to corrosion and seizing, ensuring prolonged lifespan and reliability. The plug's design incorporates corrugated ribs to prevent flashover, a pure alumina silicate ceramic insulator for enhanced strength and efficient heat transfer, and a copper core that aids in effective heat dissipation. Additionally, triple seals on the plug prevent leakage, making it a dependable choice for maintaining engine efficiency and performance over its extended service life.

Part number: DR4HS