NGK Copper Core Spark Plug BR8HS-10 BR8HS10 (1134)

Thread Size: 14mm
Hex Size: 13/16" (20.6mm)
Reach: 12.7mm (1/2")
Seat Type: Gasket Gap: .040" (1.0mm)
Heat Range: 8
Terminal Type: Removable Nut
Resistor: Yes
Thread Pitch: 1.25mm
Brand: NGK Center Electrode

Part No. 37-BR8HS-10 (phoenixmotos.com)
NGK 1134 BR8HS-10 Nickel Spark Plug

NGK's Standard Plugs are Constructed for Longer Life and Optimum Performance.
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.