The 4 New NGK IRIDIUM IX Spark Plugs LTR6IX-11 (part number 6509) are engineered to deliver superior ignition performance for a wide range of vehicles. Featuring an iridium alloy tip,...
The New NGK Iridium IX Spark Plugs LFR5AIX-11 (4469) are high-performance spark plugs designed to deliver superior ignition efficiency and enhanced engine performance. Featuring an iridium alloy tip, these spark...
The NGK 6619 Iridium Spark Plugs LFR6AIX-11 come in a convenient pack of six, providing everything you need for a complete ignition system upgrade. Designed for high-performance engines, these spark...