NGK LFR5A-11 - 6376 - V-Power Spark Plug Original equipment manufacturer approved and an excellent upgrade from standard spark plugs, NGK V-Power spark plugs feature a special V-Groove center electrode and concave ground electrode to increase ignitibility by causing the spark to occur between the edges of the center electrode and ground electrode. The V-Groove center electrode also allows for more area for flame expansion. Trivalent metal plating has superior anti-corrosion and anti-seizing properties. Center Electrode Core Material: Copper Core Center Electrode Tip Material: Nickel w/ V-groove Electrode Core Material: nickel with V groove Electrode Tip Material: nickel with V groove Gap Size: 0.044 in Ground Configuration: Standard Ground Electrode Core Material: Nickel Core Ground Electrode Quantity: 1 Ground Electrode Tip Design: Standard Ground Strap Quantity: 1 Hex Size: 5/8 in Manufacturer Heat Range: 5 Reach: 26.5 mm Resistor: Yes Seat Type: Gasket Shorty Spark Plug: No Spark Pl