An excellent upgrade from standard plugs and optimized for power equipment, NGK Pro-V 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. Product Features:Original equipment manufacturer approvedTrivalent metal plating has superior anti-corrosion and anti-seizing propertiesOptimized design for power equipmentHighly durable against electrical and chemical wear
