Durable spark plug with trivalent plating, alumina silicate insulator, triple seals, corrugated ribs and copper core for reliable ignition.
Trivalent plating, alumina silicate insulator, triple seals, corrugated ribs, and a copper core for effective heat removal.
Long-life iridium spark plug with fine-wire electrode for reliable ignition and reduced voltage requirements.
High-performance iridium spark plug offering superior durability, improved firing reliability, and cleaner combustion.
Durable iridium spark plug with laser-welded electrode and tapered U-groove ground design for stronger ignition and longer service life.
Copper Plus™ spark plug with a copper-core center electrode and Ultraseal™ coating for improved ignition and corrosion resistance.
Copper Plus™ spark plug: copper-core design for controlled heat range, SAC-9 resistor for EMI/RFI suppression, Ultraseal™ coating for rust prevention. Made in the USA.
Iridium electrode design reduces voltage needs and extends ignition system life.
Copper Plus™ spark plug with copper core for controlled heat range, SAC-9 resistor for EMI/RFI suppression, Ultraseal™ coated shell, made in USA.