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2004 gmc
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26,181 Posts
OEM are made by AC Delco. Any parts store can sell them to you. Iridiums are currently recommended by general consensus.

The Internet has many web sites. :D

But for plugs, why not support your local parts store?

Please don't ask a followup question or I may have to let Garfield out to play. :eek:
 

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2003 chevy trailblazer_ls
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5,268 Posts
AC delco iridium or platinums.
should be available at most auto parts.

most here recommend the OEM/AC delco plugs.
 

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2007 chevy
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130 Posts
Pulstar plugs

Has anyone tried the new Pulstar plugs? The latest Popular Mechanics had an article on a new Challenger that they started modding and used these plugs and 16 at that because of the 2 plug per cylinder set up Chrysler has on that Hemi V-8 motor. They noted that you CAN feel the difference. Just curious as to what it might be like for my SS.:undecided
 

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2003 chevy trailblazer_lt_ext
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8,770 Posts
Acdelco 41-103
 

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2003 gmc envoy_slt
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7,190 Posts
Has anyone tried the new Pulstar plugs? The latest Popular Mechanics had an article on a new Challenger that they started modding and used these plugs and 16 at that because of the 2 plug per cylinder set up Chrysler has on that Hemi V-8 motor. They noted that you CAN feel the difference. Just curious as to what it might be like for my SS.:undecided
$200 for plugs is a bit steep. Unless you're racing for pinks. Or professionally. HP TV did a dyno run on IIRC a Z06. The hp was increased about the same as a set of E3 Diamondfire plugs.
 

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2002 chevy trailblazer_lt
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517 Posts
Look closely at the Challenger hop-up. It was a "Paid Advertisement" for all of the parts they installed.
 
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