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 MPN: DPR6EB-9 Specifications Warranty 1 Year Torque Specs Cast Iron: 10.8-18 lb. ft. Aluminum: 10.8-14.5 lb. ft. Brand NGK Heat Range 6 Longevity 30k Miles Resistor Yes Shell Thread Size 12mm Thread Pitch 1.25mm Seat Type Gasket Resistor Value 5K Ohm Reach 19mm (3/4") Hex Size 18mm Terminal Type Solid Center Electrode Material Nickel Type Standard Size 2.5mm Projection Projected Ground Electrode Material Nickel Type Standard Quantity 1 Fitment Automotive Sorry, no automotive applications are associated with this part. Non Automotive Marine Outboard