- Because the iridium electrodes of these plugs can be shrunk to only 0.4mm, voltage requirements decrease while firing performance improves
- Six times harder than platinum, iridium does not melt in temperatures above 4000deg. F
- Ground electrode features a tapered cut and U-groove that forms a large volume area for the flames center
- 360 deg. laser welding of electrode provides a seal that resists wear even in the worst conditions
- Replaces NGK # DCPR7E
Specs Denso Iridium Spark Plug 5308
- Type: Resistor
- Units: Each
Fitment Denso Iridium Spark Plug 5308
- Part IXU22 fits the following machines:
- 2008 Harley-Davidson Sportster (EFI) - XL 883
- 2008 Harley-Davidson Sportster Custom (EFI) - XL 1200C
- 2008 Harley-Davidson Sportster Custom (EFI) - XL 883C
- 2009 Harley-Davidson Sportster Custom - XL 1200C
- 2009 Harley-Davidson Sportster Custom - XL 883C
- 2008 Harley-Davidson Sportster Low (EFI) - XL 1200L
- 2008 Harley-Davidson Sportster Low (EFI) - XL 883L
- 2009 Harley-Davidson Sportster Low - XL 1200L
- 2009 Harley-Davidson Sportster Low - XL 883L
- 2008 Harley-Davidson Sportster Nightster (EFI) - XL 1200N
- 2009 Harley-Davidson Sportster Nightster - XL 1200N
- 2008 Harley-Davidson Sportster Roadster (EFI) - XL 1200R
Images Denso Iridium Spark Plug 5308
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Denso Iridium Spark Plug 5308

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