The NGK Iridium IX 7397 Spark Plug (TR5IX) features a fine-wire iridium center electrode for superior ignition precision, improved throttle response, and long-lasting durability. Designed for high-performance street and off-road applications.
Iridium tip enhances durability and spark strength
Tapered ground electrode improves flame propagation
Trivalent plating resists corrosion and seizing
Engineered to reduce fouling under tough conditions
Brand & Part Number: NGK 7397 TR5IX
Material: Iridium
Thread Size: 14mm
Reach: 19mm (0.75 in.)
Hex Size: 5/8 in. (16mm)
Seat Type: Gasket
Resistor: Yes
Gap: 0.044 in. (1.1mm)
Upgrade to NGK Iridium IX for peak performance, cleaner combustion, and lasting ignition powerbuy now!
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