NBR NSP-22ITT Double Iridium Spark Plug Set of 4 DILKAR7D11H for Nissan and Renault Vehicles

Double Iridium spark plug set for selected Nissan and Renault vehicles listed in the fitment table. NBR NSP-22ITT features a fine iridium center electrode and an iridium-tipped ground electrode. The Double Iridium construction supports stable spark formation, reliable ignition and extended service life under high-temperature operating conditions. OEM-style dimensions allow direct replacement without modification. Confirmed specifications include M12 x 1.25 thread, 1.1 mm electrode gap, 14 mm hex size, heat range 22 on the DENSO scale / 7 on the NGK scale, and 15-25 Nm recommended tightening torque. Vehicle compatibility must be confirmed by engine code, OE number and the fitment table.