Description
NGK’s iridium spark plugs deliver superior ignition efficiency and longevity compared to conventional plugs, reducing misfires and extending your ignition system’s service life. The ultra-fine iridium electrode requires significantly less voltage to fire, which means better combustion consistency across a wider range of engine conditions. If you’re serious about reliability and performance—whether on the track or the street—these plugs justify their investment through reduced maintenance intervals and improved throttle response.
- Iridium electrode construction
- 25% smaller than platinum
- 1/4 size conventional nickel
- Reduced voltage requirement
- Extended ignition system life
- Enhanced anti-corrosion plating
- Lower misfire rates
- NGK OEM manufacturer
- MPN 7544 fitment
- Improved combustion consistency
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