NGK 2771 - UR5 V-Power Spark Plug

Sold as singles. Thread Size 14mm Thread Pitch 1.25mm Seat Type Tapered Reach 11.6mm (.460") Gap .039" (1.0mm) Heat Range 5 Center Electrode Material Nickel Center Electrode Projection Projected Ground Electrode Material Nickel NGK V-Power plugs feature a unique v-cut in the center electrode that directs the spark to the edge of the electrode, helping the spark develop more rapidly, increasing ignitability and reducing quenching. - 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