Pack of 4 Genuine NGK 93199 Iridium Spark Plugs DILKR6C11

Shell
Thread Diameter:12mm
Thread Pitch: 1.25mm
Seat Type: Gasket
Reach: 26.5mm (1.04")
Hex Size: 5/8" (16mm)
Terminal Type: Solid
Gap: .043" (1.1mm)

Center Electrode
Material: Iridium
Type: Fine Wire
Size: 0.6mm
Projection: Projected

Ground Electrode
Material: Platinum
Type: Standard

Specifications
Resistor: Yes
Resistor Value: 5k Ohm
Heat Range: 6
Torque Specs: Cast Iron: 10.8-18 lb. ft. Aluminum: 10.8-14.5 lb. ft.