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Best Iridium Plugs
Best Iridium Plugs
If you want the “install it and forget it” option, I point people to quality iridium plugs because the needle-like electrode takes less voltage to fire. That means smoother running, better cold starts, and less stress on your ignition coils—plus you’re typically good for 100,000–120,000 miles (sometimes more).
Pros
- +Long service life (often 100,000–120,000 miles)
- +Needs less voltage to spark, reducing stress on ignition coils
- +Great upgrade for better cold starts and smoother idle
Cons
- -Higher upfront cost than platinum
- -Not a choice—required if your car came factory-equipped with iridium
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Best Iridium Plugs
Available on Amazon
External purchase
Highlights
- +Long service life (often 100,000–120,000 miles)
- +Needs less voltage to spark, reducing stress on ignition coils
- +Great upgrade for better cold starts and smoother idle
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