Bosch Iridium Spark Plugs are engineered to deliver both high performance and long life, representing the best of OE spark plug technology. The ultra-fine wire iridium center electrode firing pin delivers best performance. Unlock the performance in your engine with Bosch Iridium Spark Plugs.
360 degree continuous laser welded center electrode provides unmatched resistance to thermal shock that can occur in today's high performance engines
