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The Denso 5384 Iridium Power Spark Plug (IUF24) is built for high-revving engines that require a compact plug with exceptional ignition reliability. With its fine-wire iridium center electrode and short thread design, it delivers precise combustion, reduced fouling, and long-lasting performance in motorcycles, scooters, and powersport engines.
🔧 Iridium tip provides stable spark and longer life
🔧 Compact design fits small, high-RPM engines
🔧 Cold heat range ideal for performance tuning
🔧 Pre-gapped to factory specs for easy installation
Brand & Part Number: Denso 5384 (IUF24)
Material: Iridium
Thread Size: 10mm
Reach: 12.7mm (0.5 in)
Hex Size: 14mm
Heat Range: 24
Seat Type: Gasket
Resistor: Yes
Gap: 0.6mm (0.024 in)
Trust Denso IUF24 Iridium Power for high-performance ignition in compact engine platforms—order yours today!