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Old 09-04-2004, 07:10 AM   #1
Ricowrx
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Question Colder NGK Iridium Spark Plugs available yet for STI?

I didn't really want to go with the Denso's, and I really couldn't find info on any colder NGK's for the sti. The stock NKG part number is ILFR6B, what is every one running out there on there sti's? For the one step colder denso plug the part number is IKH22 Do people really need colder plugs for high hp and boost situations? Could it hurt to put it in either way? -Dave
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Old 09-04-2004, 08:53 AM   #2
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Old 09-04-2004, 09:49 AM   #3
STiTuner
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greddy makes plugs that have the extended thread reach. they are listed for the VQ motor but they are the same thing.
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Old 09-04-2004, 09:51 AM   #4
turboICE
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What do your current plugs look like that make you think you need colder plugs?
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Old 09-04-2004, 11:25 AM   #5
staticx313
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Denso has the plugs that will fit as well. 1 stage colder... got them from need4speedpower on imprezawrxsti.com, extended thread and all.

Robert~
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