NGK Spark Plug BP4ES

NGK standard plugs are constructed for longer life and optimum performance. 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: Th read Diameter: 14mm Thread Pitch: 1.25mm Seat Type: Gasket Reach: 19mm (3/4") Hex Size: 13/16" (21mm) Terminal Type: Removable Nut Overall Height: JIS Gap: .031" (0.8mm) Centre Electrode Material: Nickel Centre Electrode Type: Standard Centre Electrode Size: 2.5mm Projection: Projected Ground Electrode Material: Nickel Ground Electrode Type: Standard Quantity: 1 Resistor: No Resistor Value: 1K Ohm Heat Range: 4 Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminium: 18-21.6 lb. ft. Part Information: Brand: NGK/NTK Warranty: 60 Days Longevity: 30k Miles