Features and Benefits : he only iridium spark plug line engineered for both high performance and long life. The laser welded iridium tipped center and ground electrodes (Double iridium) provide exceptionally long life.
4x longer service life vs standard copper spark plugs
Ultra fine wire iridium center electrode requires less voltage to fire delivering exceptional ignitability
The laser welded iridium tipped center and ground electrodes (Double Iridium) provide exceptionally long life
BOSCH exclusive tapered laser-welded iridium alloy tipped ground electrode delivers the ultimate in high performance
Factory set pre-gap ensures ease of installation.