NGK 95811 - R7448A-10 Racing Spark Plug

Sold as singles. Thread Size 14mm Thread Pitch 1.25mm Seat Type Tapered Reach 25mm (1") Gap .030" (0.75mm) Heat Range 10 Center Electrode Material Nickel Center Electrode Projection Projected Ground Electrode Material Nickel NGK Racing Series plugs are engineered to withstand the harshest engine conditions. Special insulator nose configurations improve throttle response. Corrugated ribs prevent flashover. Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer. Copper core aids in heat removal. Triple seals prevent leakage.