Denso Iw31 Iridium Spark Plug

Experience superior ignition and engine performance with the Denso IW31 Iridium Spark Plug. Engineered for demanding conditions, this spark plug delivers reliable starts, improved fuel efficiency, and enhanced throttle response. Upgrade your motorcycle's ignition system with Denso's advanced technology.

Description

The Denso IW31 Iridium Spark Plug utilizes a fine wire iridium center electrode, measuring a mere 0.4mm, which significantly reduces voltage requirements and enhances firing performance. The 360° laser-welded electrode ensures an exceptional seal, providing unmatched durability even under the most extreme operating conditions. The tapered cut and U-groove design of the ground electrode create a large volume area, optimizing flame kernel development for a more complete and efficient combustion. This iridium spark plug is a resistor type and features a threaded stud terminal configuration. The IW31 spark plug offers superior resistance to wear and provides consistent performance over its lifespan, ensuring your engine runs smoothly and efficiently.

Features & highlights

• Iridium electrode is six times harder than platinum and withstands temperatures up to 4,000°F, ensuring long-lasting performance.
• The ultra-fine 0.4mm iridium electrode reduces voltage requirements and improves firing performance for quicker starts.
• 360° laser welding provides a superior seal, offering exceptional resistance to wear and corrosion.
• Tapered cut and U-groove ground electrode enhances flame kernel development for improved combustion.
• Resistor type plug reduces radio frequency interference (RFI) for smoother electronic operation.
• Designed for easy installation with a 13/16" hex size.

Technical specifications

• Brand: DENSO
• Product Name: Spark Plug
• Vendor Part Number: IW31
• Center Electrode Type: Fine Wire
• Electrode Tip Material: Iridium
• Electrical Resistance: 5k Ohms
• Heat Range: 10
• Spark Gap: 0.76 mm
• Thread Size: 14 mm
• Thread Reach: 19.1 mm (3/4")
• Hex Size: 20.6 mm (13/16")
• Terminal Configuration: Threaded Stud
• Center Electrode Projection: Non-Projected
• Ground Electrode Shape: Taper Cut, Grooved
• Type: Resistor
• Units: Each

Important to know

Please verify compatibility with your motorcycle's engine before installation. Consult your owner's manual or a qualified mechanic for proper installation procedures and torque specifications. Spark plug socket is required for installation (not included).

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