What is the advantage of using iridium spark plug?

Related questions

1. How tight should a spark plug be?
2. How many miles before I change my spark plugs?
3. What is an NGK?
4. Which spark plug is better iridium or platinum?
5. How often should I replace Iridium spark plugs?
6. Do you still need to gap spark plugs?
7. How do you tighten NGK Spark Plugs?
8. Does spark plug gap make a difference?
9. Do NGK Spark plugs need anti seize?
10. What will happen if the spark plug gap is wrong?

Tags

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2. #combustion
3. #plugs
4. #better
5. #significant
6. #performance
7. #outstanding
8. #change
9. #other
10. #metals
11. #using
12. #longevity
13. #platinum
14. #spark
15. #tipped
16. #iridium
17. #advantages
18. #complete