NGK Spark Plug - JR9B (3188)

NGK have over 80 years of experience in spark plug manufacturing and are the world leader in spark plug technology. NGK has an extensive range of spark plugs, each with their own unique characteristics specifically engineered to its application and designed to suit a broad range of motorcycles, ATVs & UTVs in Australasia. With NGK's dedication to quality, outstanding reliability and state of the art manufacturing techniques, you can rely on your NGK Spark Plugs.

Don’t just ask for a spark plug, insist on NGK.

The 98% pure copper core delivers increased heat dissipation for more reliable starts and reduced risk of overheating. While cold-rolled threads prevent cross-threading and damage to cylinder heads and a trivalent plating eliminates the need for anti-seize. Complete with a high-grade alumina silicate ceramic.

Shell

• Thread Size: 12mm
• Thread Pitch: 1.25mm
• Seat Type: Gasket
• Resistor Value: 5K Ohm
• Reach: 19mm (3/4")
• Hex Size: 18mm
• Terminal Type: Threaded Stud
• Overall Height: ISO
• Gap: 0.7mm (0.028")

Centre Electrode

• Material: Nickel
• Type: Standard
• Size: 2.5mm
• Projection: Non-Projected

Ground Electrode

• Material: Nickel
• Type: Standard
• Shape: Taper Cut
• Quantity: 1

Specifications

• Heat Range: 9
• Resistor: Yes