NGK Single Iridium Plugs: Designed for Performance Enthusiasts
 
Features:
Iridium Center Electrode
Trivalent Metal Plating
Corrugated Ribs
Pure Alumina Silicate Ceramic Insulator
Copper Core
Triple Seals:
Specifications:
Shell: Thread Diameter - 10mm, Thread Pitch - 1.0mm, Seat Type - Gasket, Reach - 26.5mm (1.04"), Hex Size - 9/16" (14mm), Terminal Type - Solid, Gap - 0.031" (0.8mm).
Center Electrode: Material - Iridium, Type - Fine Wire, Size - 0.6mm, Projection - Projected.
Ground Electrode: Material - Nickel, Type - Standard, Shape - Taper Cut, Quantity - 1.
Resistor: Yes, Resistor Value - 5k Ohm, Heat Range - 9.
Torque Specs: Cast Iron - 7.2-10.8 lb. ft., Aluminum - 7.2-8.7 lb. ft.