Laser welded iridium center electrode tip ensures high durability and greater spark
Platinum disc welded to backside of ground electrode provides long life
Longer insulator nose prevents fouling, corrugated ribs on insulator prevents flashover, and the triple gasket seal eliminates combustion gas leakage
Faster starts and quicker acceleration
Better fuel economy and lower emissions, trivalent metal plating for superior anti-corrosion and anti-seizing