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Step Colder NGK Iridium

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Old May 9, 2008 | 08:10 AM
  #1  
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Default Step Colder NGK Iridium

I'm trying to find NGK Iridium spark plugs that are a step colder. I've checked their site and all it says is "Stock Base" and "Stock Numbers". I have no idea what that means and I just want to know which are the step colder plugs.

Can anyone help?

Also, the gap should be 0.044 correct?

Thank You,
Andre
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Old May 9, 2008 | 08:46 AM
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I just bought some NGK IX iridium BKR8EIX from sparkplugs.com

click -> Comptech S/C and Spark Plugs, What kind???
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Old May 9, 2008 | 09:29 AM
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Originally Posted by PWRMKR,May 9 2008, 12:46 PM
I just bought some NGK IX iridium BKR8EIX from sparkplugs.com

click -> Comptech S/C and Spark Plugs, What kind???
That gapping is for a FI Setup... not NA setup.

Andre
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Old May 9, 2008 | 11:17 AM
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No one huh?

I found these which have the same heat conductivity as the stock spark plugs (heat rating #7)... IFR7G-11KS , but I can't find the ones which are a step colder (heat rating #8).

Andre
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