4 Pack Denso 5364 Iridium Power Spark Plugs IU31 ps

The Denso 5364 Iridium Power Spark Plug (IU31) is engineered for high-demand engines that require a colder heat range and maximum spark efficiency. Designed with a fine-wire iridium center electrode and a compact 10mm thread size, it delivers fast starts, improved throttle response, and reliable combustion in motorcycles, ATVs, and performance machines.

Features & Benefits:

🔧 Iridium tip provides long-lasting spark performance
🔧 Cold heat range ideal for tuned or high-load engines
🔧 Compact thread design suits motorcycles and powersports
🔧 Pre-gapped to manufacturer specs for easy fitment

Specifications:

Brand & Part Number: Denso 5364 (IU31)
Material: Iridium
Thread Size: 10mm
Reach: 19mm (0.75 in)
Hex Size: 16mm
Heat Range: 31
Seat Type: Gasket
Resistor: Yes
Gap: 0.6mm (0.024 in)

Count on Denso Iridium Power IU31 for extreme reliability and consistent ignition in every ride—upgrade today!