NGK (4177) TR6 Spark Plugs, Pack of 8

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.Features: 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 Warranty: 1 Year Torque Specs: Cast Iron: 10.8-18 lb. ft. Aluminum: 7.2-14.5 lb. ft. Heat Range: 6 Longevity: 30k Miles Resistor: Yes Shell Details: Thread Size: 14mm Thread Pitch: 1.25mm Seat Type: Tapered Resistor Value: 5K Ohm Reach: 18mm (.709") Hex Size: 5/8" (16mm) Terminal Type: Solid Overall Height: ISO Gap: .039" (1.0mm) Center Electrode Details: Material: Nickel Type: V-Cut Size: 2.5mm Projection: Projected Ground Electrode Details: Material: Nickel Type: Standard