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IX Iridium Spark Plug Set

NGK Iridium IX® spark plugs are designed to provide outstanding acceleration, high fuel efficiency and durability. The best spark plug for the performance enthusiast. The IX series offers extreme ignitability, improved throttle response and superior anti fouling. A 0.6mm laser welded fine wire iridium tip ensures high durability and consistently stable spark. A tapered ground electrode minimizes quenching effect of the combustion flame kernel. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.

Usually ships within 2 to 3 days

Manufacturer: NGK


  • Honda/Acura
  • Hyundai Tiburon
  • Mazda Miata
  • Mini Cooper
Part No. Description Application Price Ea. Add to Cart
NGK-5464 NGK IX Iridium Spark Plug Set (4 pcs) BKR5EIX-11 #5 Heat Range $35.00
NGK-3764 NGK IX Iridium Spark Plug Set (4 pcs) BKR6EIX-11 #6 Heat Range $35.00
NGK-6988 NGK IX Iridium Spark Plug Set (4 pcs) BKR7EIX-11 #7 Heat Range $35.00