NGK Iridium Spark Plugs (4 Spark Plugs)
This is a resistor style spark plug and recommended for forced induction and nitrous applications.
The next generation of spark plugs. NGK is a pioneer in Iridium Spark Plug design and manufacturing, and has been supplying Iridium Spark Plugs for Automotive OE since 1994. More Durability and a Higher Melting Point Than Platinum Better Center Electrode Anti-Oxidation and Anti-Erosion Improved Ignition Superior Anti-Fouling Lower Required Voltage.
- Part Number: BKR9EIX-4
- Cold Rating: 9
- Manufacturer: NGK
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1 reviews for NGK Iridium Spark Plugs (4 Spark Plugs)
5.0 out of 5.0
4/27/2010 by geoff day
Plugs are awesome
I am running these plugs on my Full-Race setup for my 2008 Civic Si i am making 450whp on pump gas with a GT3076R. they work great but do not order from here. when i got mine they were rattling around inside the box because these fools suck at packing stuff.