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Reliable spark plug with superior corrosion resistance, a strong ceramic insulator, triple seals and a copper core for improved heat control.
Industry-leading iridium performance for longer life and reliable ignition.
Durable spark plug with superior corrosion resistance, enhanced ceramic insulator, and copper core for effective heat management.
Trivalent plating, alumina silicate insulator, triple seals, corrugated ribs, and a copper core for effective heat removal.
Industry-standard 12 V coil with 35,000 V spark energy; fits Dyna systems. Not for Twin Cam applications.
High-performance spark plug with advanced plating, a robust ceramic insulator, triple seals, corrugated ribs to prevent flashover, and a copper core for efficient heat removal.
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.
Designed for direct OEM replacement and manufactured in the USA. Restores charging performance and reliability.