Bosch (4505) HGR8DQI Platinum IR Fusion Spark Plug, Pack of 1
Features Fused iridium and platinum center electrode, sintered into an extended insulator nose results in reaching self-cleaning temperature only seconds after starting and provides exceptional wear resistance Revolutionary surface air gap firing... Fusion features a patented, fused iridium and platinum center electrode, combined with exclusive surface air gap firing technology to produce a longer, more powerful spark. Fusion features a patented, fused iridium and platinum center electrode, combined with exclusive surface air gap firing technology to produce a longer, more powerful spark. If you're looking for the very latest in spark plug technology, look no further than Bosch Platinum Ir Fusion. In addition, Fusion's voltage requirement increases less over time versus other iridium plugs for longer reliable performance of the vehicle's ignition system.