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The Denso 5363 Iridium Power Spark Plug (IU27) is built for high-revving, high-compression engines that demand reliable ignition and extreme heat resistance. With a fine-wire iridium electrode and compact design, it ensures precise combustion, smoother throttle response, and long-lasting performance, making it ideal for motorcycles, ATVs, and performance vehicles.
🔧 Iridium tip provides consistent spark under high load
🔧 Cold heat range supports advanced engine tuning
🔧 Compact design ideal for motorcycles and powersports
🔧 Pre-gapped for easy, accurate installation
Brand & Part Number: Denso 5363 (IU27)
Material: Iridium
Thread Size: 10mm
Reach: 19mm (0.75 in)
Hex Size: 16mm
Heat Range: 27
Seat Type: Gasket
Resistor: Yes
Gap: 0.6mm (0.024 in)
Equip your engine with Denso Iridium Power IU27 for peak spark performance and long-term reliability—order yours today!