Ngk 3994 Ngk Standard Plug

NGK standard plugs are constructed for longer life and optimum performance. Specifications Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft. Heat Range: 8 Longevity: 30k Miles Resistor: No

Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer Trivalent metal plating provides superior anti-corrosion and anti-seizing properties Corrugated ribs prevent flashover Copper core aids in heat removal Triple seals prevent leakage