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Iridium Spark Plug — IU31A

$26.95

PART NUMBER: IU31A

RMM PART: IU31A

BRAND: DENSO

NC NY TX WI NV
17 0 0 0 0

IU31A, IU31A, DENSO

17 in stock

SKU: 5367 Category:
  • Six times harder than platinum, iridium withstands temperatures up to 4,000°F
  • Because the iridium electrodes of these plugs can be shrunk to only 0.4mm, voltage requirements decrease while firing performance improves
  • 360° laser welding of electrode provides a seal that resists wear even in the worst conditions
  • Ground electrode features a tapered cut and U-groove that form a large volume area for the flame's center

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