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Iridium IX Spark Plug-KR8DI - 4742

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Iridium IX Spark Plug-KR8DI - 4742

MSRP: $11.95

Price: $9.86 17% off!
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NGK Iridium IX Spark Plug-KR8DI - 4742
  • The revolution in spark plug technology and performance brought to you by the industry leader
  • The highly advanced iridium electrode is a full 25 percent smaller than the platinum electrode and just 1/4 the size of a conventional nickel electrode
  • Ultrasmall diameter center electrode reduces voltage requirement and extends igintion system life
  • Metal shell plating has enhanced anti-corrosion properties
  • Sold each

Included Items:

(1) Spark plug



Resister type

5/8" Hex

3/4" Thread reach

1/2" Thread diameter

Projecting insulator type

No terminal nut


Part #: KR8DI
Mfg #: 4742
Heat Range 8
Thread 12 mm
Type Resistor
Units Each
Weight 0.05 lbs
UPC Code:
Fitment for NGK Iridium IX Spark Plug-KR8DI - 4742

Part KR8DI fits the following machines

  • 990 Supermoto R 2010-2011
  • 990 Supermoto T 2010-2011
  • Superduke 2007-2008

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