NBR NSP-101I Iridium Spark Plug Set of 4 BKR6EIX-11 for Toyota, Lexus, Nissan and Japanese Vehicles

Iridium spark plug set for selected Toyota, Lexus, Nissan, Honda, Mazda, Mitsubishi, Subaru and other vehicles listed in the fitment table. NBR NSP-101I features an iridium center electrode for stable spark generation, improved cold start performance and smooth idle. The 1.1 mm electrode gap and heat range 6 specification match BKR6EIX-11 type applications. 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 25-30 Nm tightening torque.