NBR NSP-201I Iridium Spark Plug Set of 4 LFR6AIX-11 for Toyota, Lexus and Japanese Vehicles

Iridium spark plug set for selected Toyota, Lexus, Honda, Nissan, Subaru, Mitsubishi, Suzuki, Renault, Geely, BAIC and other vehicles listed in the fitment table. NBR NSP-201I is designed for LFR6AIX-11 type applications and features an iridium center electrode with a platinum ground electrode for stable spark generation, corrosion resistance and long service life. The plug supports reliable cold starts, smooth idle and efficient combustion. Confirmed specifications include M14 x 1.25 thread, 26.5 mm reach, 16 mm hex size, 1.1 mm electrode gap and heat range 20 on the DENSO scale / 6 on the NGK scale. Manufactured to OEM-style dimensions for direct replacement without modification.