Genuine NGK 94460 Laser Platinum Spark Plug PFR8S8EG

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: .031" (0.8mm)

Center Electrode
Material: Platinum
Type: Fine Wire
Size: 1.0mm
Projection: Projected

Ground Electrode
Material: Platinum
Type: Standard

Specifications
Resistor: Yes
Resistor Value: 1K Ohm
Heat Range: 8
Features: Copper Core Ground Electrode; Special Resistor
Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.