Reliable spark plug with improved head dissipation, standard U-groove and heat-resistant nickel jacket.
HARLEY
Subcategories
High-quality main bearing manufactured to original equipment manufacturer specifications for reliable performance.
Manufactured at leading OEM factories, mainly in Japan. Made to exact OEM specifications for reliable fit and performance.
Manufactured at leading OEM factories (mainly Japan). Made to exact OEM specifications for reliable crankshaft support and long service life.
Precision-made at leading OEM factories in Japan. Produced to exact OEM specifications for reliable performance and long service life.
Precision main bearing made to OEM specifications for reliable performance.
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.