NGK Racing Spark Plug R5671A-10

NGK Racing spark plugs are designed to withstand extreme use and grueling racing conditions. They have powered racing champions worldwide and are found in various racing venues. Features: Designed for racing: The conventional nickel alloy center electrode with a V-groove provides consistent performance. OE Ceramic Technology: High-grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance. Solid Copper Core: The 98 percent pure copper core offers superior heat dissipation, conductivity, and ultra-wide heat ranges. Cold-rolled threads: Prevents cross-threading and damage to cylinder heads. Trivalent Metal Plating: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal. Specifications: Plug Number: R5671A-10 Thread Size: M14 Heat Range: 10 Hex Size (in): 5/8 Inch Center Electrode Material: Nickel Preset Gap (in): 0.020 Inch (Preset Gap in millimeters: 0.50mm) Thread Reach (in): 0.750 Inch (Thread Reach in millimeters: 19mm) Resistor Plug: No Ground Electrode Core Material: Nickel Number Of Ground Electrodes: 1 Center Electrode Core Material: Copper Center Electrode Tip Material: Nickel Approximate Resistor Value (Ohm): 1 Ohm Insulator Height (mm): 50mm Electrical Terminal Type: Non-Removable Nut Recommended Usage: Racing use only