
Iridium spark plug for performance boost
It's no secret that Iridium is 6 times harder then platinum, 8 times stronger, and resists melting in temperatures exceeding 4,000 degrees Fahrenheit. Denso Iridium spark plugs feature the world’s smallest center electrode, measuring 0.4mm in diameter.Iridium Spark Plugs and Performance. Boost your car or truck gas mileage. It's no secret that Iridium is 6 times harder then platinum, 8 times stronger, and resists melting in temperatures exceeding 4,000 degrees Fahrenheit.













![Custom Spark Plug Wire Set w/MSD Coil PN[8241] Red Super Conductor 8.5mm](/images/120/MSDPN32939.jpg)








