Denso (3324) SK16R11 Iridium Spark Plug, Pack of 1
SK16R11
Excellent acceleration and performance
Stable combustion during idling
Long life and high reliability
Features iridium with high melting point
Product Review
Product Description
Iridium plugs have an extremely long life as Iridium is 6x harder and 8x stronger than platinum. Because of the strength and hardness of iridium, there is virtually no electrode wear. This combined with a platinum ground electrode, creates a spark plug t
Product Details
Denso (3324) SK16R11 Iridium Spark Plug, Pack of 1
Comment: I brought these plugs to replace identical plugs in my wife's 2003 Toyota Corolla with 120K. Recommended replacement is at 100K. The original plugs were in excellent condition and could easily have gone another 20K. This is my first experience with Iridium plugs and am amazed at their performance. - I have an old pickup with standard plugs which starts missing if I don't file and regap (or replace) the plugs every 5000 miles or so. I'm seriously considering Iridium plugs for it.
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Denso - 3324 SK16R11 Iridium Spark Plug, Pack of 1