Reliable spark plug with corrosion protection, superior insulator strength, and enhanced heat removal.
Anti-corrosion plated spark plug with superior heat transfer, triple seals, and corrugated ribs for reliable ignition.
Durable spark plug with trivalent plating, alumina silicate insulator, triple seals, corrugated ribs and copper core for reliable ignition.
Industry-standard 12 V coil with 35,000 V spark energy; fits Dyna systems. Not for Twin Cam applications.
High-performance iridium spark plug that improves ignition, lowers voltage needs, and provides enhanced corrosion resistance.
Meets or exceeds OEM specifications and features precise construction.
Meets or exceeds OEM specifications with precise construction for reliable charging performance.
Direct OEM replacement with encapsulated magnets in a reinforced steel shell for durability.
Direct OEM replacement and made in the USA for reliable charging performance.