2 Pack Denso 5386 Iridium Power Spark Plugs IUF31A ps

The Denso 5386 Iridium Power Spark Plug (IUF31A) is crafted for high-performance and small-displacement engines that demand cold heat range plugs and compact design. Its ultra-fine iridium center electrode and projected tip deliver superior ignitability, improved throttle response, and long-term durability in motorcycles, scooters, and ATVs.

Features & Benefits:

🔧 Fine-wire iridium electrode ensures strong, consistent spark
🔧 Cold heat range ideal for tuned small engines
🔧 Compact, projected design fits tight engine spaces
🔧 Pre-gapped and ready for fast installation

Specifications:

Brand & Part Number: Denso 5386 (IUF31A)
Material: Iridium
Thread Size: 10mm
Reach: 12.7mm (0.5 in)
Hex Size: 14mm
Heat Range: 31
Seat Type: Gasket
Resistor: Yes
Gap: 0.6mm (0.024 in)

Rely on Denso Iridium Power IUF31A for unmatched ignition accuracy and long-lasting performance—upgrade today!