DENSO Iridium Spark Plug, U-Style, heat range 22, Each, reach 12.7mm, Threaded, thread 14mm, IWF22
DS-IWF22
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DENSO Iridium Spark Plug, U-Style, heat range 22, Each, reach 12.7mm, Threaded, thread 14mm, IWF22
- Six times harder than platinum, iridium doesn't melt in 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
- Use NGK cross-reference chart to order and stock these plugs
