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Old 06-20-2008, 07:08 AM   #1
saintluciascooby
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1997 GC8 8.38@165Mph
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Default racing 8's for STI heads

Where can I get some 8 range plugs for STI heads (long threads) not iridium if possible.
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Old 06-20-2008, 10:47 AM   #2
Richardcranium419
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http://www.sparkplugs.com/

They have been good to me so far. And can get just about anything you need.
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Old 06-20-2008, 12:19 PM   #3
saintluciascooby
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except what i want
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Old 06-20-2008, 01:10 PM   #4
cnstman
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i have never seen an 8 heat range for the sti, not saying it does not exist, just that i have never seen one.
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Old 06-20-2008, 02:24 PM   #5
Richardcranium419
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Quote:
Originally Posted by saintluciascooby View Post
except what i want
Wow I thought they would have it for sure. my bad...
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Old 06-22-2008, 07:43 AM   #6
jaxscuby
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if you have the part number for "7"
try looking for other manufacturer that uses
the same part number.
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Old 06-22-2008, 07:49 AM   #7
saintluciascooby
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I dont I have the p/n'7's but cant find eights. I am used to using NGK racing plugs which I love but they don't come in the extended thread
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Old 06-22-2008, 08:28 AM   #8
saintluciascooby
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What I run on my JDM head engines is NGK 4892 (R7434-8) I need the same plug for USDM STI heads
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Old 06-22-2008, 11:03 AM   #9
modaddict
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isn't the stock plug an *8* and our 'one step colders' a *7*?

maybe im confused.
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Old 06-22-2008, 11:21 AM   #10
gumby647
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R7438-8 is 14mmx26.5mm reach. it is the same firing end as 7434. All this stuff is in NGK racing plug catalog.
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Old 06-22-2008, 07:36 PM   #11
97subGT
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Quote:
Originally Posted by modaddict View Post
isn't the stock plug an *8* and our 'one step colders' a *7*?

maybe im confused.

LOL yeah you would think it would work that way but the colder a NGK plugs is the higher the number. the stock plug is a 6
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Old 06-22-2008, 08:06 PM   #12
modaddict
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Quote:
Originally Posted by 97subGT View Post
LOL yeah you would think it would work that way but the colder a NGK plugs is the higher the number. the stock plug is a 6
Yeah, went back and took a look at my old plugs vs. my -7's.



I thought NGK had some copper versions in various heat ranges also.
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