TR-55 NGK sparkplugs...

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04-02-2005, 08:37 AM

Hemi Killer

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TR-55 NGK sparkplugs...

Are they pre-gapped to what I need or do I need to gap them? It's for my N/A 5.3. Thanks in advance.

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04-02-2005, 10:26 AM

budhayes3

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Seems like most guys are gapping them at .055, which is where I have mine. When I removed them all from their boxes and checked them, that's where they were all at

I'd check them first just in case though.

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04-02-2005, 05:34 PM

Hemi Killer

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