NGK 5129 DPR7EA-9 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 Thread Diameter 12mm Thread Pitch 1.25mm Seat Type Gasket Reach 19mm (3/4") Hex Size 18mm Terminal Type Threaded Stud Overall Height ISO Gap .035" (0.9mm) Material Nickel Type Standard Size 2.5mm Projection Projected Material Nickel Type Standard Quantity 1 Resistor Yes Resistor Value 5k Ohm Heat Range 7 Torque Specs Cast Iron: 10.8-18 lb. ft. Aluminum: 10.8-14.5 lb. ft.