Set of 8 Genuine NGK 6799 Spark Plugs LZKAR7A

Shell
Thread Diameter: 12mm
Thread Pitch: 1.25mm
Seat Type: Gasket
Reach: 26.5mm (1.04")
Hex Size: 9/16" (14mm)
Terminal Type: Solid
Overall Height: ISO
Gap: .035" (0.9mm)

Center Electrode
Material: Nickel
Type: Standard
Size: 2.5mm
Projection: Extended Projection

Ground Electrode
Material: Nickel
Type: Standard

Specifications
Resistor: Yes
Resistor Value: 5k Ohm
Heat Range: 7
Torque Specs: Cast Iron: 10.8-18 lb. ft. Aluminum: 10.8-14.5 lb. ft.