NGK 4363 PZFR5F-11 Laser Platinum Spark Plug GK Laser Platinum Series plugs provide high ignitability and longer service life. Laser welded dual platinum surfaces ensure slow wear rate providing stable idle, superior anti fouling, improved fuel efficiency and lower emissions. Trivalent metal plating provides superior anti-corrosion and anti-seizing properties Corrugated ribs prevent flashover Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer Copper core aids in heat removal Triple seals prevent leakage Product Specifications Shell Thread Diameter14mm Thread Pitch1.25mm Seat Type Gasket Reach19mm (3/4") Hex Size5/8" (16mm) Terminal Type Solid Overall Height ISO Gap.043" (1.1mm) Center Electrode Material Platinum Type Fine Wire Size1.0mm Projection Extended Projection Ground Electrode Material Platinum Type Standard Quantity1 Specifications Resistor Yes Resistor Value5k Ohm Heat Range5 Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.
