The new Bosch Double Iridium Spark Plug represents the latest in OE fine wire technology. Its ultra-fine wire design and laser-welded tapered ground electrode help deliver increased performance, while the iridium firing pin and ground electrode inlay provide four times longer service life compared to standard copper core plugs.
With over four decades of experience in designed and manufacturing high output ignition systems, it should be no surprise to learn that MSD is introducing a line of performance spark plugs. MSD’s new Iridium Spark Plugs are engineered and designed to be used on high performance, high output street engines. MSD used its involvement in NASCAR to