NGK 90410 LKR6E Nickel Spark Plug NGK standard plugs are constructed for longer life and optimum performance. 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 Diameter12mm Thread Pitch1.25mm Seat Type Gasket Reach 26.5mm (1.04") Hex Size 5/8" (16mm) Terminal Type Solid Overall Height ISO Gap .035" (0.9mm) Center Electrode Material Nickel Type Standard Size 2.5mm Projection Projected Ground Electrode Material Nickel Type Standard Quantity1 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.
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