4 Pack Denso 5393 Iridium Power Spark Plugs IWM31 ps

The Denso 5393 Iridium Power Spark Plug (IWM31) is engineered for high-performance small engines operating under extreme conditions. Featuring a fine-wire iridium electrode and compact M10 thread, it provides exceptional ignitability, stable combustion, and superior resistance to heat and fouling—perfect for motorcycles, kart engines, and performance powersports.

Features & Benefits:

🔧 Fine-wire iridium tip ensures reliable high-RPM ignition
🔧 Cold heat range supports tuned and racing engines
🔧 Compact thread design fits tight cylinder heads
🔧 Pre-gapped and ready for easy installation

Specifications:

Brand & Part Number: Denso 5393 (IWM31)
Material: Iridium
Thread Size: 10mm
Reach: 19mm (0.75 in)
Hex Size: 14mm
Heat Range: 31
Seat Type: Gasket
Resistor: Yes
Gap: 0.6mm (0.024 in)

Count on the Denso IWM31 Iridium Power plug for peak spark performance and lasting engine protection in high-demand applications—order yours today!