NGK (6458) PFR6Q Laser Platinum Spark Plug, Pack of 1

NGK extreme life plug. By using the highest platinum content in the industry, NGK has created an extremely long life spark plug. Laser welded platinum tip on center electrode and platinum tip on the ground electrode. The center electrode is taper cut which aids in focusing the spark while reducing the voltage necessary to start the combustion process, this will provide better throttle response, improve efficiency and allow a smoother idle. Stainless steel washer reduces plug self-backing. Technical Specifications - Extra Long Life Double Platinum Plug, 14mm Thread, 19mm (3/4") Reach, 5/8" (16mm) Hex Size, Gasket Seat, Resistor, Solid Terminal, Projected Tip, Fine Point Platinum Center Electrode and Platinum Tip Laser Welded on Ground Electrode, .032" (0.8mm) Gap