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The NGK 4344 Iridium IX Spark Plug (LTR5IX-11) is designed for high-performance and long-life ignition in modern engines. Featuring an ultra-fine iridium center electrode and tapered ground electrode, it delivers superior ignitability, improved throttle response, and extended durability—ideal for enhanced engine efficiency and reliability.
🔧 Iridium tip provides exceptional durability and stable spark
🔧 Tapered ground electrode improves flame propagation
🔧 Reduces fouling and supports fuel efficiency
🔧 Pre-gapped at 1.1mm for easy, OE-spec installation
Brand & Part Number: NGK 4344 (LTR5IX-11)
Material: Iridium
Thread Size: 14mm
Reach: 25mm (0.98 in)
Hex Size: 5/8 in (16mm)
Heat Range: 5
Seat Type: Gasket
Resistor: Yes
Gap: 1.1mm (0.043 in)
Choose NGK LTR5IX-11 Iridium IX for powerful ignition, long service life, and dependable performance in today's advanced engines—order now!