Spark plug

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. Features- Solid Terminal, Corrugated Ribs, Triple-Gasket Sealing Process, Copper Core. Shell- Thread Size: 14mm, Thread Pitch: 1.25mm, Seat Type: Gasket, Resistor: Yes, Resistor Value: 5K Ohm, Reach: 19mm (3/4"), Hex Size: 13/16" (21mm), Terminal Type: Solid, Overall Height: ISO, Gap: 031" (0.8mm). Center Electrode- Material: Nickel, Type: Standard, Size: 2.5mm, Projection: Non-Projected. Ground Electrode- Material: Nickel, Type: Standard, Quantity: 1. Specifications: Torque Specs: Cast Iron: 18-25.3 lb. ft, Aluminum: 18-21.6 lb. ft., Brand: NGK, Heat Range: 7 Longevity: 30k