NGK BP8H-N-10 4838 Spark Plug Silver

NGK V-Power plugs feature a unique v-cut in the center electrode that directs the spark to the edge of the electrode, helping the spark develop more rapidly, increasing ignitability and reducing quenching. Features: - Trivalent metal plating provides superior anti-corrosion and anti-seizing properties - 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 Specifications: Shell: - Thread Diameter: 14mm - Thread Pitch: 1.25mm - Seat Type: Gasket - Reach: 12.7mm (1/2´´) - Hex Size: 13/16´´ (21mm) - Terminal Type: Solid - Overall Height: JIS - Gap.: 039´´ (1.0mm) - Center Electrode - Material: Nickel - Type: V-Cut - Size: 2.5mm - Projection: Projected - Ground Electrode - Type: Standard - Resistor Value: 1K Ohm - Heat Range: 8 - Features: Strengthened Ground Electrode - Torque SpecsCast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.