Genuine NGK 7938 V-Power Spark Plug BKR5E

Shell
Thread Diameter: 14mm
Thread Pitch: 1.25mm
Seat Type: Gasket
Reach: 19mm (3/4")
Hex Size: 5/8" (16mm)
Terminal Type: Solid
Overall Height: ISO
Gap: .035" (0.9mm)

Center Electrode
Material: Nickel
Type: V-Cut
Size: 2.5mm
Projection: Projected

Ground Electrode
Material: Nickel
Type: Standard

Specifications
Resistor: Yes
Resistor Value: 5k Ohm
Heat Range: 5
Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.