NBR NSP-101ITT Double Iridium Spark Plug Set of 4 for Toyota, Lexus, Nissan and Japanese Vehicles

Double iridium spark plug set for selected Toyota, Lexus, Nissan, Honda, Mazda, Mitsubishi, Subaru and other vehicles listed in the fitment table. NBR NSP-101ITT features double iridium electrode technology for stable spark generation, improved ignition efficiency, better cold start performance and smooth idle. The plug is manufactured to OEM-style dimensions for direct replacement without modification. Confirmed specifications include M14 x 1.25 thread, 19 mm thread length, 16 mm hex size and heat range 6. Suitable for BKR6EIX-11 / IK20TT type applications according to confirmed cross references.