The NGK 3388 Racing Plug - R0373A-9, part of NGK's Racing Series, is engineered to excel in the most demanding engine environments. Its fine wire iridium tipped center electrode and platinum tipped ground electrode not only improve ignitability but also extend durability and enhance anti-fouling capabilities. Special insulator nose configurations optimize throttle response, while corrugated ribs effectively prevent electrical flashover. The spark plug's pure alumina silicate ceramic insulator ensures exceptional strength and superior heat transfer efficiency, complemented by a copper core that aids in efficient heat dissipation. With triple seals to prevent leakage, this plug delivers consistent performance and reliability in high-performance racing scenarios.

Part number: R0373A-9