NGK 3403 - TR55GP G-Power Spark Plug

Sold as singles. Thread Size 14mm Thread Pitch 1.25mm Seat Type Tapered Reach 18mm (.709") Gap .059" (1.5mm) Heat Range 5 Center Electrode Material Platinum Center Electrode Projection Projected Ground Electrode Material Nickel NGK G-Power Series offers the performance and durability of platinum at a competitive price. - Fine wire platinum tipped center electrode reduces required voltage for better starts, superior acceleration and increased fuel economy - Trapezoid cut ground electrode reduces 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