The NGK 6441 Iridium IX Spark Plug (ZFR6FIX-11) is engineered for high-performance ignition, superior durability, and fuel efficiency in modern engines. With an ultra-fine iridium center electrode and tapered ground electrode, it provides quicker starts, reduced misfires, and long-lasting performance under demanding driving conditions.
🔧 Iridium tip delivers long-lasting spark and high ignitability 🔧 Tapered ground electrode improves flame propagation and performance 🔧 Resists fouling and ensures stable combustion 🔧 Pre-gapped at 1.1mm for fast, OE-style installation
Brand & Part Number: NGK 6441 (ZFR6FIX-11) Material: Iridium Thread Size: 14mm Reach: 19mm (0.75 in) Hex Size: 5/8 in (16mm) Heat Range: 6 Seat Type: Gasket Resistor: Yes Gap: 1.1mm (0.043 in)
Choose NGK ZFR6FIX-11 Iridium IX for long-life ignition performance, improved engine efficiency, and reliable starts—order now!
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