NGK Spark Plug Racing 8211 R0409B-10

NGK Racing Series Spark Plug 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. Product Specifications Shell Thread Diameter 10mm Thread Pitch 1.0mm Reach 19mm (3/4\”) Hex Size 5/8\” (16mm) Gap .028\” (0.7mm) Center Electrode Material Nickel Type Fine Wire Size 1.3mm Projection Non-Projected Ground Electrode Material Nickel Type Slant Quantity 1 Specifications Resistor Yes Heat Range 10 Part Information Brand NGK/NTK Warranty 60 Days