The NGK 4589 Laser Iridium Spark Plug (IFR6T11) is engineered for precision ignition, maximum durability, and long service life in modern engines. Featuring a fine-wire iridium center electrode and platinum-tipped ground electrode, it delivers superior ignitability, improved fuel efficiency, and reduced emissions—perfect for OE replacement in fuel-injected vehicles.
🔧 Iridium center electrode provides long-lasting spark and wear resistance 🔧 Platinum ground electrode extends service life and performance 🔧 Enhances throttle response and fuel economy 🔧 Pre-gapped at 1.1mm for easy OE-style installation
Brand & Part Number: NGK 4589 (IFR6T11) Material: Iridium Center / Platinum Ground Thread Size: 14mm Reach: 25mm (0.98 in) Hex Size: 5/8 in (16mm) Heat Range: 6 Seat Type: Gasket Resistor: Yes Gap: 1.1mm (0.043 in)
Choose NGK IFR6T11 Laser Iridium for exceptional performance, long-term reliability, and OE-quality ignition—order now!
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